A sixth grader weighs 90 pounds, which is 120% of what he weighed in fourth grade. How much did he weigh in fourth grade?

Verified Answer :

We have an equation: 90/? = 120/100

Cross multiply:
120? = 90100
⇒ ? = 90*100/120 = 75.

He weighed 75 pounds in fourth grade~

Answer:

75 pounds

Step-by-step explanation: