Answer:
The answer is $450
Step-by-step explanation:
You need to do 150+150+150=450
or
150x3=450
x=6
24÷4=6
so 6×4=24 because of distributive proterty meaning that x=6 :))
1/2 = r
7r + 21 = 49r
Subtract 7r from each side
7r-7r + 21 = 49r-7r
21 = 42r
Divide each side by 2
21/42 = 42r/42
d.
