Answer:
679
Step-by-step explanation:
Xy = 50
x + y = 15
x = 15 - y
xy = 50
(5 - y)y = 50
5y - y^2 = 50
y^2 - 5y + 50 = 0
(y - 5)(y - 10) = 0
y - 5 = 0 or y - 10 = 0
y = 5 or y = 10
x + y = 15
For y = 5:
x + 5 = 15
x = 10
For y = 10
x + 10 = 15
x = 5
Answer: the numbers are 5 and 10.
6 hours
The First hour- Shea made $7 and Kelly made $9.50
The Second hour- Shea made $11 and Kelly made $13
The third hour- Shea made $15 and Kelly made $16.50
The fourth hour- Shea made $19 and Kelly made $20
The fifth hour- Shea made $23 and Kelly made $23.50
And the sixth hour- Shea made $27 and Kelly made $27
Hope that was helpful