Alice spent
215 of her salary on a water heater and
113 of the remainder on a sandwich maker. If she saved the remaining $720, how much was her salary?
| Water Heater |
Sandwich Maker |
Savings |
Other total |
Total |
| 2 |
13 |
|
15 |
| |
1 |
12 |
13 |
|
| 2 u |
1 u |
12 u |
|
15 u |
Fraction of the salary spent on the water heater =
215 Fraction of the salary on the remainder
= 1 -
215 =
1315 Fraction of the remainder on savings
= 1 -
113 =
1213 Total salary = 15 u
Amount spent on the water heater = 2 u
Amount spent on the sandwich maker = 1 u
Amount of savings = 12 u
12 u = 720
1 u = 720 ÷ 12 = 60
Alice's salary
= 15 u
= 15 x 60
= $900
Answer(s): $900
