Question
Jenny packed 108 eggs in 9 cartons. At the same rate, 540 eggs can be packed in _________ cartons.
- 45
- 49
- 48
- 40
Hint:
The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.
The correct answer is: 45
Here, it is given that Jenny has 108 eggs in 9 cartons. We have to find the number of cartons required to fill 540 eggs.
We have, number of cartons required for 108 eggs = 9.
Number of cartons required for 1 egg = 9/108.
Number of cartons required for 540 eggs = 9⁄108 × 540 = 45.
Hence, the correct option is A.
We can find the number of cartons required for 540 eggs by multiplying the number of cartons required for 108 eggs by 5.
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