Answer:
3 hours
Step-by-step explanation:
he washed one car in 20 minutes so 9 cars will be 20 x 9=180minutes which is 3 hours
We have a point and a slope, so let's use the point slope formula!

where
x1=4
y1=2
and m=3
10m15n10 because you just multiply everything by 5
Answer:
36 is your least common denominator. Hope this helps
Step-by-step explanation: