Answer:
40
Step-by-step explanation:
add 21 + 20
hope this helps :)
Answer:
The brother would be 13
Step-by-step explanation:
14 - 6= 8
There's an 8-year difference
21 - 8= 13
She will pay $640 because....
800(.05)= 40
40x16= 640
Answer:
x = 6
Step-by-step explanation:
Love proportions!
3x+2(x+6) = 35(21)
21(3x+2) = 35(x+6)
63x + 42 = 35x + 210
28x = 168
x = 6