Answer:
$100
Step-by-step explanation:
20%+30% = 50% off
50/100 = 1/2
200*1/2 = $100
8.40049 × 10^7
B!!!
Answer:7.4
4(3 - 4x).
16x + 12 - 32x.
4(3 - 4x) is one expression.
Another is 16x + 12 - 32x.