1. The sum of two numbers is 72. One number is 8 more than the other. What are the two numbers

Q: The sum of three numbers is 15. The sum of twice the first number, 3 times the second number, and 4…

A:

Q: Jack buys calculators for $6.00 each, envelopes for $.50 each and pens for $1.50 each. He spends a…

A: Jack buys calculators for $6.00 each, envelopes for $.50 each and pens for $1.50 each. He spends a…

Q: The sum of three numbers is 55. The second number is 5 more than the first. The third number is 2…

A:

Q: Daniel had some sweets and lollipops. He had 8 times as many sweets as lollipops. He gave away 40…

A: Let the number of sweets he had initially=x  Let the number of lollipops he had initially =y…

Q: A group of six friends go to a baseball game. Each friend buys either a hamburger or hot dog at the…

A:

Q: b) Two times the difference of a number and twenty equals thirty.

A: Assign the variable n to the unkown numberSince twice the difference between a number and twenty…

Q: One group of people purchased 10 hot dogs and 5 soft drinks at a cost of $12.50. A second group…

A:

Q: Four more than a number equals the sum of Seven and 12.

A: Given that, four more than a number equals the sum of seven and 12. Let the number be x.…

Q: 4. A café sold 15 cups of tea and 30 cups of chai for a total of $210 on the first day of business.…

A:

Q: suppose your class sells gift wraps for $4 per package and greeting cards for $10 per package. Your…

A: Given : your class sells gift wraps for $4 per package and greeting cards for $10 per package. Your…

Q: Mario made 2 pizzas of the same size: 1 pepperoni pizza and 1 sausage pizza. At the end of the day,…

A: We have to tell which statement correctly compares the sizes of the remaining slices.

Q: 3

A:

Q: The product of three and the sum of six and nine.

A: The product of three and the sum of six and nine is…

Q: Write the following sentences into equation. Example: Four times a number results to 20. Answer: 4x…

A: 1. Thrice the sum of a number and 10 is not more than 15. Let x be the number. Then the equation is,…

Q: 19 more than the sum of 3 and -12

A: Sum of 3 and -12 is -9

Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.