The number of grapefruits Lee bought in August was 25% more than in July. In September, he bought 75% less grapefruits than in August. If there were 66 less grapefruits in September than July, how many grapefruits did Lee buy in August?
| July |
August |
September |
| 4x4 |
5x4 |
|
| |
4x5 |
1x5 |
| 16 u |
20 u |
5 u |
100% + 25 = 125%
125% =
125100 =
54August : July = 5 : 4
100% - 75% = 25%
25% =
25100 =
14 September : August = 1 : 4
The number of grapefruits in August is repeated. Make the number of grapefruits in August is the same. LCM of 5 and 4 is 20.
Number of less grapefruits in September than July
= 16 u - 5 u
= 11 u
11 u = 66
1 u = 66 ÷ 11 = 6
Number of grapefruits that Lee bought in August
= 20 u
= 20 x 6
= 120
Answer(s): 120
