Answer:
Use a calculator
Step-by-step explanation:
Let's say the number is x
75%of x is 15
75%x=15
0.75x=15
x=15/0.75
x=20
or you can say 3/4x=15
x=15*4/3
x=20
Answer:
3. C=4a
Step-by-step explanation:
600/150 = 4 (one square foot = $4)
Answer:
2.Addition Property
3.Multiplication Property
Step-by-step explanation: