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:
$2.71
Step-by-step explanation:
Hey!
I multiplied $2.71 by 2 and that gave me $5.42
<span>3/4 - (-2/3)
= </span><span>3/4 + 2/3
=9/12 + 8/12
= 17/12.....as </span><span>improper fraction</span>
Answer:
Step-by-step explanation: