Answer:
Percent increase is 21%
Step-by-step explanation:
Initial cost of shoes = $72
New price of shoes = $87
Increase in price of shoes = New price of shoes - Initial cost of shoes
= 
= $15
Percentage increase in price of shoes = ( Increase in price of shoes ÷ Initial cost of shoes) × 100
=
≈ 21%
So, percent increase is 21%
Answer:
B
Step-by-step explanation:
hard to explain xD
Answer:
I thing it should be x-4 because I don't get the question
Answer:
there are 10 black pensoles
Step-by-step explanation:
(6*5) / 3 = w
Sometimes problems will give extra information to figure stuff out, for this problem you really only needed to know three of the numbers, 6, 5 and 3.