Answer:
32
Step-by-step explanation:
subract the amount he needs by the number he has
Answer:
He will get back 11 dollars.
Step-by-step explanation:
7 twenty dollar bills is just 7 x 20. That's equal to 140. Now your gonna subtract 140 - 129. You end up with 11 dollars!
When f(x) is substituted with a number, you just plug the number into wherever you see x:
_____________
f(12) = 3/2x + 14
f(12) = 3/2(12) + 14
f(12) = 18 + 14
f(12) = 32
f(-4) = 3/2x + 14
f(-4) = 3/2(-4) + 14
f(-4) = -6 + 14
f(-4) = 8
f(0) = 3/2(0) + 14
f(0) = 0 + 14
f(0) = 14
Answer:
d
Step-by-step explanation:
Number is n
Three times the sum of a number and 4.
= 3* ( n + 4) = 18
3n + 12 = 18.
3n = 18 - 12.
3n = 6
n = 6 / 3.
n = 2.
