Andrew earns $18 per hour for mowing lawns. Is the amount of money he earns proportional to the number of hours he spends mowing? Show your work and explain your thinking in words. PLS HELP

Answer:
1:18
Step-by-step explanation
18*2=36
18*3=54
so the propotion is 1 to 18, for every 1 hour 18 dollars are added