Answer:
He spent about 68.6 hours or 4116 minutes
Step-by-step explanation: If my math is totally off sue me
Answer:
4x+10y^-7
Step-by-step explanation:
Let the smaller number be x.
Larger number = 12 + x
Sum = 84
x + 12 + x = 84
2x + 12 = 84
2x = 72
x = 36
Hence, the numbers are 36 and 48.