Question

the expression shown is the cost a customer pays for an item, where c is the cost the store pays for the item and 0.85c is the 85% price increase the store adds to the item. which expression is equivalent to c + 0.85c? 1.15c 0.15c 1.85c 0.85c

Explanation:

Step1: Factor out the common factor c

$c + 0.85c=(1 + 0.85)c$

Step2: Calculate the sum inside the parentheses

$1+0.85 = 1.85$
So, $(1 + 0.85)c=1.85c$

Answer:

$1.85c$