Two mechanics worked on a car. The first mechanic worked for
1 answer:
Write a system of equations:
x + y = 125
20x + 15y = 2100
Solving:
x = 125 - y
20(125 - y) + 15y = 2100
2500 - 20y + 15y = 2100
2500 - 5y = 2100
-5y = 2100 - 2500
-5y = -400
y=80
x + 80 = 125
x = 125 - 80
x = 45
The first charges 45$ per hour and the second charges 80$ per hour
You might be interested in
4 Angel fish ,4 Mollie fish and 2 tera fish
Answer: The area of the square is increasing at a rate of 90.4 m2/min (square meters/minute)
Step-by-step explanation: Please see the attachments below
I can do them but do i solve for y?
Answer:
C
C
C
I hope this help
It’s 35 and 23 and also it can be mans at the the cakes