Tiffany's salary is 80% more than Jade's salary. When their salaries are decreased by 70%, their combined salaries will be $1554. How much was Tiffany's salary before the decrease?
| |
Tiffany |
Jade |
Total |
| Before |
9 u |
5 u |
14 u |
| Change |
- ? |
- ? |
- 9.8 u |
| After |
? |
? |
4.2 u
$1554 |
100% + 80% = 180%
TiffanyJade =
180100 =
95 Combined salaries at first
= 9 u + 5 u
= 14 u
Decrease in the combined salaries
= 70% x 14 u
=
70100 x 14 u
= 9.8 u
Combined salaries in the end
= 14 u + 9.8 u
= 4.2 u
4.2 u = 1554
1 u = 1554 ÷ 4.2 = 370
Tiffany's salary before the decrease
= 9 u
= 9 x 370
= $3330
Answer: $3330
