Harry owned two shops selling watches. Shop T earned 40% more money than Shop U on Friday. On Saturday, Shop T lost $394 while Shop U earned another $90. In the end, Shop T contributed to 37 of the total earnings of the two shops over the two days operation. How much did Shop T earn over the two days?
| |
Make p the same
(1)x4 = (3) |
Shop T
(1) |
Shop U
(2) |
Make p the same
(2)x3 = (4) |
| Before |
28 u |
7 u |
5 u |
15 u |
| Change |
- 1576 |
- 394 |
+ 90 |
+ 270 |
| After |
12 p |
3 p |
4 p |
12 p |
Amount that Harry earned from Shop U on Friday in percentage = 100%
Amount that Harry earned from Shop T on Friday in percentage
= 100% + 40%
= 140%
140% =
140100 =
75 Fraction of the total earnings that Harry earned from Shop U
= 1 -
37 =
47(3) = (4)
28 u - 1576 = 15 u + 270
28 u - 15 u = 1576 + 270
13 u = 1846
1 u = 1846 ÷ 13 = 142
Amount that Harry earned from Shop T over the two days
= 7 u - 394
= 7 x 142 - 394
= 994 - 394
= $600
Answer(s): $600
