Answer:
2 2/35 hours
Step-by-step explanation:
In 1 hour, the total amount of the house that is painted is ...
1/8 + 1/4 + 1/9 = 35/72 . . . of a house
We need to multiply the time (1 hour) by 72/35 to find the number of hours required for one entire house:
72/35(1 h) = 2 2/35 h
It would take them 2 2/35 hours to paint the house working together.
Answer:
answer is a
Step-by-step explanation:
If you have the area of the rectangle, then the equation would be A = W*L
Lets say the area is 15 and the width is 3. You don't know what the length is. Just divide 3 into 15 to get 5. Hope this helps!
20(x+17)
20×x+20×17
20x+340