1. 2 Robert climbed 775 steps in 12 minutes. How many steps did he average per minute? steps per minute

Q: 6. The number of bass in Lake Okeechobee has declined to one-third its previous level every 7 years…

A:

Q: 520 decreased by 56% is how much?

A: Solution is given below:

Q: An installer works for 6 hours and completes 48% of a job. How many hoursare needed for the complete…

A: We have, an installer works for 6 hours and completes 48% of a job. We need to calculate How many…

Q: Mary sold 147 bags of popcorn in 3 days. At this rate, how many bags of popcorn will Mary sell in 5…

A: Mary sold 147 bags of popcorn in 3 days.

Q: If you take 4500 steps in a day and each of your steps is 2.5 feet. How many miles have you walked?

A: Given,         If we take 4500 steps in a day and each of your steps is 2.5 feet.

Q: At age 12, a boy’s weight was 50 kilograms and his height was 1.55 meters. Find his BMI and…

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Q: multiply 15 cups of blueberries by1/15 to keep the ratio the same what is 15*1/5

A: Multiply 15 by 115 as follows. 15×115=1515=15×115×1=11=1

Q: share $960 among 3 students in the ratio of 1:2:3 how much money is the largest share

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Q: A store had a sale on mp3 players. At 9 A.M., the store had 150 mp3 players in stock. By 10 A.M.,…

A:

Q: A TV screen is 24 x 16 inches. If each dimension is increased by 20%, by what percent is the area…

A:

Q: The Sherlock Holmes Detective Agency was hired to solve 15 mysteries last year. The detectives were…

A: Introduction: Fractions are very important in mathematics. If we take out y parts out of x, then, in…

Q: increased

A:

Q: in training for a marathon, Faith runs 7000 meters on the first day, 7600 meters on the next day,…

A: Here, Faith runs 7000 meters on the first day, 7600 meters on the next day, 8200 meters on the 3rd…

Q: Find the solution of the given initial value problem: y(4) + 2y"" +y" + 8y′ − 12y = 6 sin(t) +80e¯t;…

A: We use method of undetermined coefficient.

Q: will he earn in four weeks? 2 Sally receives $5.00 a week for allowance. She is saving to buy a pair…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A production lot of 25 units required 103.6 hours of effort. Accounting records show that the first…

A: Answers given belowExplanation:To find the learning rate, we can use the learning curve formula,…

Q: Six friends arrive at a party. Their arrival increases the number of people at the party by 30% In…

A: Given 6 friends arrive at a party  Arrival increases the number of people at the party by 30%

Q: Solve the following LDE if possible: 48 t + 84 s = 144

A:

Q: While playing a board game, Mimi noticed that she could roll the dice 8 times in 30 seconds. How…

A: Given: Mimi can roll the dice 8 times in 30 seconds. Time, t=30 seconds ⇒t=0.5 minutes. Since, the…

Q: Susan scored 82%, 75%, 77%, and 85% on the first four tests. What must she score on the fifth test…

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Q: a = 37.0 m, b 40.9 m A

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Q: 600(1.2)2t= 4200

A: Use logarithm to solve

Q: A scored tablet containing 100 mg of drug X is available. A prescription for drug X reads: 50 mg…

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Q: A bakery increased their weekly sales of loaf bread by 20%.They now sell 240 of loaves.How many did…

A: Percentage is ratio which is expressed as a fraction of 100. The symbol % is used to denoted…

Q: Amanda increases the amount of protein she eats everyday from 50 grams to 54 grams. By what…

A: The formula for calculating the percent change is: p =N-OO×100  P is the percent change - what we…

Q: Jackson usually runs 8 laps around the football field and consistently completes the first lap in 3…

A: Jackson completes the first lap in 3 minutes and jackson takes 15% longer to complete each lap than…

Q: If she walk in 2.5 seconds 12.5 how many she can walk in 90 seconds

A:

Q: One week in the midwest, 3.4 inches of snow fell on Monday, 0.6 inches on Tuesday, 2.2 inches on…

A: Let the amount of snow on Friday = x inches  So the total amount of snow=…

Q: It took a ball 5 hours to roll 11e miles. What was this ball's average speed,in miles per minute?…

A:

Q: Hall wrapped 4 presents every 8 minutes. At that rate, how long, in minutes, would it take to wrap 5…

A:

Unitary Method

The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products. 

Speed, Time, and Distance

Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.

Profit and Loss

The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

Units and Measurements

Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.