3x+12=39
Minors 12 on both side
3x=27
Divide 3 on both side
X=9
Well, their speeds are (

is Jack's speed, and

is Richard's.

They, together, can paint 12 houses in 35 days. To get a single house, we only have to calculate

which is very close to 3 (a bit below)
Answer:
you need to sell 60 cups
Step-by-step explanation:
48÷0.80= 60 cups
hope it helps!
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Answer:
3x-8=y
Step-by-step explanation: