Ken owned two shops selling electrical appliances. Shop A earned 50% more money than Shop B on Tuesday. On Wednesday, Shop A lost $269 while Shop B earned another $309. In the end, Shop A contributed to 25 of the total earnings of the two shops over the two days operation. How much did Shop A earn over the two days?
| |
Make p the same
(1)x3 = (3) |
A
(1) |
B
(2) |
Make p the same
(2)x2 = (4) |
| Before |
9 u |
3 u |
2 u |
4 u |
| Change |
- 807 |
- 269 |
+ 309 |
+ 618 |
| After |
6 p |
2 p |
3 p |
6 p |
Amount that Ken earned from Shop B on Tuesday in percentage = 100%
Amount that Ken earned from Shop A on Tuesday in percentage
= 100% + 50%
= 150%
150% =
150100 =
32 Fraction of the total earnings that Ken earned from Shop B
= 1 -
25 =
35(3) = (4)
9 u - 807 = 4 u + 618
9 u - 4 u = 807 + 618
5 u = 1425
1 u = 1425 ÷ 5 = 285
Amount that Ken earned from Shop A over the two days
= 3 u - 269
= 3 x 285 - 269
= 855 - 269
= $586
Answer(s): $586
