A) comparison shopping is the answer
The percent error is 29%. I posted the equation for percent error on your other question.
Answer:
9
Step-by-step explanation:
3 times the sum of 4 and 2 = 3*(4+2)
= 3 * 6
= 18
18 - 9 = 9
<span>4*5/2 = 10
5*5/2 = 25/2 = 12/5
The poster is 10 x 12.5 inches. </span>