Lee owned two shops selling computers. Shop Y earned 50% more money than Shop Z on Friday. On Saturday, Shop Y lost $374 while Shop Z earned another $180. In the end, Shop Y contributed to 49 of the total earnings of the two shops over the two days operation. How much did Shop Y earn over the two days?
| |
Make p the same
(1)x5 = (3) |
Y
(1) |
Z
(2) |
Make p the same
(2)x4 = (4) |
| Before |
15 u |
3 u |
2 u |
8 u |
| Change |
- 1870 |
- 374 |
+ 180 |
+ 720 |
| After |
20 p |
4 p |
5 p |
20 p |
Amount that Lee earned from Shop Z on Friday in percentage = 100%
Amount that Lee earned from Shop Y on Friday in percentage
= 100% + 50%
= 150%
150% =
150100 =
32 Fraction of the total earnings that Lee earned from Shop Z
= 1 -
49 =
59(3) = (4)
15 u - 1870 = 8 u + 720
15 u - 8 u = 1870 + 720
7 u = 2590
1 u = 2590 ÷ 7 = 370
Amount that Lee earned from Shop Y over the two days
= 3 u - 374
= 3 x 370 - 374
= 1110 - 374
= $736
Answer(s): $736
