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:A=62AED B=93 C=155
Step-by-step explanation:
You add all of the numbers to split between (2,3,5) you get 10
then you divided 310 by 10 which is 31
then you times 2 by 31=62 (a)
3x31=93 (b)
5x31=155 (c)
I think the answer its 1.8 percent because if you subtract 15-13.2 comes out to be 1.8.
I think the interest is 10.60.
And the proceeds are 278.40.
Answer:
Expanded, the answer would be 10b + 40
Step-by-step explanation:
Just multiply 8 to 2b and 8