21x-9+63=180
21x+54=180
21x=126
x=6
Given:
this year's population: 400 students
next year's population: 120% of this year's population
this year's population x rate of next year's population = next year's population
400 students * 120% = 480 students CHOICE D.
There will be 480 students next year.
Answer:
5ft
Step-by-step explanation:
8/10=0.8
4/0.8=5
Answer:
Is B/144
Step-by-step explanation:
All you have to do is length x width x height. or multiply all those numbers together.