Cole owned two shops selling lighting. Shop C earned 20% more money than Shop D on Monday. On Tuesday, Shop C lost $356 while Shop D earned another $162. In the end, Shop C contributed to 25 of the total earnings of the two shops over the two days operation. How much did Shop C earn over the two days?
| |
Make p the same
(1)x3 = (3) |
C
(1) |
D
(2) |
Make p the same
(2)x2 = (4) |
| Before |
18 u |
6 u |
5 u |
10 u |
| Change |
- 1068 |
- 356 |
+ 162 |
+ 324 |
| After |
6 p |
2 p |
3 p |
6 p |
Amount that Cole earned from Shop D on Monday in percentage = 100%
Amount that Cole earned from Shop C on Monday in percentage
= 100% + 20%
= 120%
120% =
120100 =
65 Fraction of the total earnings that Cole earned from Shop D
= 1 -
25 =
35(3) = (4)
18 u - 1068 = 10 u + 324
18 u - 10 u = 1068 + 324
8 u = 1392
1 u = 1392 ÷ 8 = 174
Amount that Cole earned from Shop C over the two days
= 6 u - 356
= 6 x 174 - 356
= 1044 - 356
= $688
Answer(s): $688
