Answer:
15
Step-by-step explanation:
12 x 0.25= 3
12+3=15
Answer:
30
Step-by-step explanation:
first, create two equations.
let x = Julio's number and y = answer for Julio's number substrates 17

by using substitution method, you will get

so the answer is 30
Answer:
False
Step-by-step explanation:
-7 < 6
Therefore, the solution is false.
16 dollars? could be wrong
Answer:
C = 75.
Step-by-step explanation:
Set up our eq:
600 x
___ = ___
80 100
Cross multiply:
6 x 10 = 60 (add two zero's) = 6000
now, 80 * x. 80x
Now we divide:
6000
_____
80
C = 75