Billy had to collect some fruits from two marts and deliver some fruits to another mart. He collected from Mart G and the ratio of starfruits to lemons was 3 : 8. When he reached Mart H, he unloaded
1112 of the lemons and some starfruits from his van. The ratio of starfruits to lemons became 3 : 4. At Mart J, 57 starfruits and 49 lemons were collected and the number of starfruits to lemons became the same.
- How many fruits were there on his van after visiting Mart J?
- How many starfruits were delivered to Mart H?
|
Location |
Starfruits |
Lemons |
Comparing starfruits and lemons at first |
Mart G |
3x6 = 18 u |
8x6 = 48 u |
Before 1 |
Mart G |
18 u |
12x4 = 48 u |
Change 1 |
Mart H |
- ? |
- 11x4 = - 44 u |
After 1 |
Mart J |
3 u |
1x4 = 4 u |
Before 2 |
Mart J |
3x1 = 3 u |
4x1 = 4 u |
Change 2 |
Mart J |
+ 57 |
+ 49 |
After 2 |
Mart J |
3 u + 57 |
4 u + 49 |
(a)
The number of lemons after unloading at Mart H is repeated. Make the number of lemons left after unloading at Mart H the same. LCM of 4 and 1 is 4.
The number of lemons collected at Mart G is repeated. Make the number of lemons collected at Mart G the same by multiplying 8 by 6.
The number of starfruits and lemons in the end is the same.
4 u + 49 = 3 u + 57
4 u - 3 u = 57 - 49
1 u = 8
Number of starfruits on his van after collecting from Mart J
= 3 u + 57
= 3 x 8 + 57
= 24 + 57
= 81
Number of fruits on his van after collecting from Mart J
= 2 x 81
= 162
(b)
Number of starfruits delivered to Mart H
= 18 u - 3 u
= 15 u
= 15 x 8
= 120
Answer(s): (a) 162; (b) 120