Answer:
42m2
Step-by-step explanation:
9x4=36m2
3x2x0.5=3m2x2=6m2
36+6=42m2
Answer:
7 4/5
Step-by-step explanation:
2 1/10 + 5 7/10 = 2 + 5 + 1/10 + 7/10 = 7 8/10 = 7 4/5
Answer: 
Step-by-step explanation:
Given
Equation is 
Mila uses the first step as multiplication to make the coefficient of x, 1
Mila maybe have multiplied the whole equation by 2 i.e.

Answer:
Step-by-step explanation:
x/4=3/8 multiply both sides by 4
x=12/8 divide numerator and denominator by 4
x=3/2
x=1.5
x/8=1.5/2 multiply both sides by 8
x=12/2
x=6