Answer:
X= Gracie
X+7.2=Hilda
X+7.2-11.4=Janell
(X+X+X+7.2+7.2-11.4)÷3=62.6
(3x+3)÷3=62.6
3X+3=187.8 (I arrive at 187.8 because I multiple 62.6 by 3)
3X=187.8-3
3X=184.8
3X/3=184.8/3
X=61.6
Step-by-step explanation:
GRACIE X=61.6
Hilda X+7.2=61.6+7.2=68.8
Janell X+7.2-11.4=61.6+7.2-11.4= 57.4
If you would like to know how many hours will Lena need to work before she can afford to buy the computer, you can calculate this using the following steps:
$900 - $473 = $427
$427 / $7 = 61 hours of yard work
Result: Lena will need to work 61 hours before she can afford to buy the computer.
Answer:
0.5 i believe
Step-by-step explanation: