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Concept explainers
(a)
Write and evaluate an expression to find the total cost of the jeans.
GIVEN:
Grace has a coupon for $2 off the regular price of each pair of jeans she buys 4 pairs of jeans with a regular price of $23 each.
Calculation:
In order to write and evaluate an expression to find the total cost of the jeans, first subtract the coupon for $2 off from the regular price of each jeans, that is $23, then multiply it by the total number of jeans, that is 4, then simplify as shown below:
So, the total cost of the jeans is $84.
(b)
Write and evaluate an expression to find the total cost of the jeans.
GIVEN:
Lamar also buys 4 pairs of the jeans. He has a coupon for $2 of the total purchase price with a regular price of $23 each.
Calculation:
In order to write and evaluate an expression to find the total cost of the jeans, first multiply total number of jeans, that is 4 to cost of each jeans, that is $23, then subtract the coupon for $2 off the total purchase price and then simplify as shown below:
So, the total cost of his jeans is $90.
Chapter 1 Solutions
Glencoe Math Accelerated, Student Edition
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