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Chapter 1: Q9. (page 57)

Gridded Response Evaluate the expression 5路dwhend=6to find the cost (in dollars) of buying 6 posters when each poster costs $5.

Short Answer

Expert verified

The cost of buying 6 posters is $30.

Step by step solution

01

Step-1 – Apply the concept of product

When two or more numbers are multiplied together, it gives a number. The numbers that are multiplied, are called the factors. And the result of the multiplication of numbers is called the product of those numbers.

02

Step-2 – Example for the product

In the product 2路3路4=24, the numbers 2, 3, and 4 are being multiplied to give the product 24. So, the numbers 2, 3, and 4 are the factors in this equation and 24 is the product of the numbers.

03

Step-3 – Evaluate the expression

To evaluate the expression 5路d, substitute the value of d as 6 and multiply the numbers as shown below,

5鈰�d=5鈰�6=30

Thus, the cost of buying 6 posters is $30.

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