5/8 is the length. Just divide 15/56 by 3/7.
Answer:
The percent equation states that the part equals the percent multiplied by the whole number.
He could add / subtract by the past amount with the next amount to figure out.
22.75-15.80= 6.95
15.80-12.83= 2.97
30.50-12.83= 17.67
30.50-7.02= 23.48
Kind of like that, hope that helps! :)
A2 +b2= c2
a2 +25= 169
-25 -25
a2= 144
divide by the square root and
a= 12