Answer: 30!
Step-by-step explanation:
A. The expression for the problem is 10+ 2x (10 dollars a week plus 2 per chore.)
B.10 +2(5) =$20
C. 10(4)+2x=144 // 40+2x=144 //2x=104 // x=52 (she will need to do 52 chores :)
Answer:
t = d/S
Step-by-step explanation:
S = d/t
Cross multiply
S x t = d
Divide both sides by S
S/S x t = d/S
t = d/S