Answer:
2.38 dollars in a week
Step-by-step explanation:
168 hours = Week
400 dollars = Week
400 ÷ 168 = 2.38
c
Answer: x = 6.56
Step-by-step explanation: -0.4x - 0.5 + x = 3.63
-0.4x^2 - 0.5 = 3.63
-0.4x^2 = 4.13
0.63x = 4.13
x = 6.56