Answer:
the answer is 3
Step-by-step explanation:
Answer:
4x-12
Step-by-step explanation:
4 x x is 4x and 4x-3 is -12
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:
c number option is the correct answer