Answer:
14
Step-by-step explanation:
70% = 0.70
of means multiply or "×"
So, 0.70 × 20 = 14
Answer:
wdym
Step-by-step explanation:
Answer:
Step-by-step explanation:

Answer:
True for all x
Step-by-step explanation:
3x + 5 = 2x + 5 + x
3x + 5 = 3x + 5
3x = 3x
0 = 0
$2.50(f) + $4(n) = Total Cost
$2.50(9) + $4(9) = Total Cost
$22.50 + $36 = Total Cost
$58.50 = Total Cost