Question 1090603
A = B + 5 per hour
A + B = 100 total (4 hours)
Per hour: 100/4 = 25
Substitute for A on a per hour basis:
B + 5 + B = 25
2B = 20
B = 10
--------------------------------------------
Check:
B: 10 x 4 = 40
A: (10 + 5) x 4 = 60
and 40 + 60 = 100 - Correct