Anna spent
111 of her salary on a water heater and
110 of the remainder on a lamp. If she saved the remaining $432, how much was her salary?
| Water Heater |
Lamp |
Savings |
Other total |
Total |
| 1 |
10 |
|
11 |
| |
1 |
9 |
10 |
|
| 1 u |
1 u |
9 u |
|
11 u |
Fraction of the salary spent on the water heater =
111 Fraction of the salary on the remainder
= 1 -
111 =
1011 Fraction of the remainder on savings
= 1 -
110 =
910 Total salary = 11 u
Amount spent on the water heater = 1 u
Amount spent on the lamp = 1 u
Amount of savings = 9 u
9 u = 432
1 u = 432 ÷ 9 = 48
Anna's salary
= 11 u
= 11 x 48
= $528
Answer(s): $528
