5. Robin works 5 hours a day, and Dave works 6 hours a day. Their hourly salaries are such that Robin's earnings in 3 days are the same as Dave's earnings in 5 days. Which graph and equation could represent Robin's and Dave's
salaries after thours?
ROBIN'S SALARY
a)
70
60
(6, 60)
Salary (in dollars)
50
40
(4.40)
30
A.
20
0
1
7
2 3 4 5 6
Time (In hours)
b) Dave's Salary - 5t
ROBIN'S SALARY
70
60
(4,60)
50
40
Salary (in dollars)
B
30
20
12.30)
10
7
1 2 3 4 5 6
Time (in hours)
b) Dave's Salary - 15t
J ROBIN'S SALARY
70
60
50
Salary (in dollars)
40
30
20
12.20)
10
(1.10)
0
1 2 3 4 5 6
Time (in hours)
b) Dave's Salary -156
7