D Angelo collects coins. At the beginning of the year he started with several coins in his collection. Each month he olans on adding the same number of coins to his collection. The table shows the total number of coins he will have, y, n his collection at the end of x months. Number of Months 1 3 Total Number of Coins 19 23 27 31 35 How many coins did Angelo start with and how many will he add each month? O A. He started with 4 coins and will add 15 coins each month. O B. He started with 15 coins and will add 4 coins each month. OC. He started with 18 coins and will add 1 coin each month. O D. He started with 10 coins and will add 5 coins each month.
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.
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