Answer:
76
Step-by-step explanation:
A + B = 127
5.80A + 4.25B = 657.55
Solve with substitution.
5.80A + 4.25(127 − A) = 657.55
5.80A + 539.75 − 4.25A = 657.55
1.55A = 117.80
A = 76
I can only clearly see #5.
A mile has 5,280 feet.
Divide 18,472 by 5,280.
18,472 / 5,280 = 3.5
18,472 feet is about 3.5 miles.
Answer: $15.20
Step-by-step explanation: He earned $15.20. Just multiply the 2.00x4 and the 2.40x3
75+ 15x ≥ 140
⇒ 15x ≥ 140 -75
⇒ 15x ≥ 65
⇒ x ≥ 65/15
⇒ x ≥ 13/3
⇒ x ≥ 4 1/3
The final answer is x ≥ 4 1/3~
