Answer: 56 minutes
Explanation: it will take 1/4 of the time to paint one wall. So it will take 10 minutes for 8 people to paint one wall. So the number of minutes it will take for one person to paint 7 walls is 80 x 7 =560 and because there is ten people 560/10=56.
Answer:
Isolate the variable by dividing each side by factors that don't contain the variable.
n=5, -5
I can't understand the questions
Bill:$73.00
Tip:$14.60
Total:$87.60
