40% means 0.4 .
So . . . . . 7 = 0.4 N .
Divide each side by 0.4 . . . N = 7/0.4 = 17.5
54.67 but if rounded it will be 54.7
Answer:
187 students in 7th or 8th grade
17,088 pages
Step-by-step explanation:
412 - 225 is 187.
A dozen is 12
12 x 16 x 89 = 17,088
Answer:
$20
Step-by-step explanation:
Easy formula for these problems is new price divided by change in percent as decimal with 1 at begining. So for this problem it is 21.05/1.0525. You can then test your answer by muliply you answer by 1.0525.