The answer is 42 because there are 10 adults and
M=4(10)+2
M=40+2
M=42
By using my brain I can figure it out.
Answer:
After 4 hours
Step-by-step explanation:
4h = 2(2) + 6(h - 2)
4h = 4 + 6h - 12
4h = 6h - 8
2h = 8
h = 4
Answer:
8 hours
$480
Step-by-step explanation:
Let us assume the hours be x
There should be two equations
For Plumber A = 60x
For Plumber B = 40 + 55x
Now in order to considered the cost to be the same we equate these two equations
60x = 40 + 55x
5x = 40
x = 8 hours
Now the total cost for plumber A is
= 480
And, the total cost for plumber B is
= 40 + 55(8)
= 480
hence, the total cost is $480
