Ivory spent
14 of her salary on a toaster oven and
34 of the remainder on a speaker. If she saved the remaining $84, how much was her salary?
Fraction of the salary spent on the toaster oven =
14 Fraction of the salary on the remainder
= 1 -
14 =
34 Fraction of the remainder on savings
= 1 -
34 =
14
Toaster Oven |
Remainder |
Total |
1x4 |
3x4 |
4x4 |
|
Speaker |
Savings |
|
|
3x3 |
1x3 |
|
4 u |
9 u |
3 u |
16 u |
The remainder and the total amount on the speaker and the savings are the same. Make the remainder and the total amount on the speaker and the savings the same. LCM of 3 and 4 is 12.
Total salary = 16 u
Amount spent of the toaster oven = 4 u
Amount spent on the speaker = 9 u
Amount of savings = 3 u
3 u = 84
1 u = 84 ÷ 3 = 28
Ivory's salary
= 16 u
= 16 x 28
= $448
Answer(s): $448