Alana buys one shirt with a regular price of p dollars and 2 sweaters with a regular price of s dollars. Shes uses a coupon so that she pays only half the regular price. Write an expression that shows how much money Alana spends in all. Then exlpain the expression.

Question

Mathematics

Ally Phillips

21 December, 19:31

Alana buys one shirt with a regular price of p dollars and 2 sweaters with a regular price of s dollars. Shes uses a coupon so that she pays only half the regular price. Write an expression that shows how much money Alana spends in all. Then exlpain the expression.

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Answers (1)

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Natalya Hunt · Answer 1

c = ½ (p + 2s)

Step-by-step explanation:

Let c = the total cost

p = cost of one shirt

2s = cost of two sweaters

p + 2s = total cost before discount

But Alana paid only half the regular price, so

c = ½ (p + 2s)