Answer:
4 x 63 = 252
Step-by-step explanation:
There's 4 groups of 63 students.
4(63)= 252
Groups ( students per group )= total students
y=x thats all i khow
the new scale is the same length as the original scale
we are given
we can solve for x
We can isolate x
step-1: Multiply both sides by b/a
step-2:Add 12 both sides
step-3: combine right side
step-4:Divide both sides by 2
..............Answer