PSLE Seth was given a fixed amount of allowance each month. In March, he spent $270 and saved the rest. In April, he spent 40% less and his savings increased by 30%. How much was Seth's allowance for each month?
|
Spending (%) |
Savings (u) |
Before
|
100% $270 |
100 u
|
Change |
- 40% |
+ 30 u |
After |
60% |
130 u |
100% of spending = 270
1% of spending = 270 ÷ 100 = 2.7
40% of spending = 40% x 270 = 108
40% of spending = 30 u of savings
30 u of savings = 108
1 u of savings = 108 ÷ 30 = 3.6
100 u of savings = 100 x 3.6 = 360
Seth's allowance for each month
= 100% of spending + 100 u of savings
= 270 + 360
= $630
Answer(s): $630