75% of a certain number is 87, what is the number?

116

75 percent (calculated percentage %) of what number equals 87? 116.

Step-by-step explanation:

116

75 percent (calculated percentage %) of what number equals 87? 116.

hope this helps!

-14

step-by-step explanation:

2x2 – 2(x+4)

=2x2-2（5+4）

=4-2×9

=4-18

=-14

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk