Question

Sausages come in packets of 5. Bread rolls come in packets of 4. Colin wants to buy enough packs of sausages and rolls so that there are an equal number of sausages and rolls. What is the minimum number of sausages and rolls he needs to buy?

Answer 1

He needs to buy 4 packets of sausages and 5 packets of bread rolls.

Step-by-step explanation:

Sausages come in packets of 5.

Bread rolls come in packets of 4.

We will take LCM of the numbers.

Factors of 5 and 4 = 2 × 2 × 5

LCM of 5 and 4 = 20

He needs to buy 20 sausages and 20 bread rolls.

Packets of sausages = $\frac{20}{5}$ = 4 packets

Packets of bread rolls = $\frac{20}{4}$ = 5 packets

He needs to buy 4 packets of sausages and 5 packets of bread rolls.

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Answer 2

Answer:

20

Step-by-step explanation:

so you got 5 packets of sausages and 4 packs of rolls.

get the 5 and the 4 times them together like this

5x4 or 4x5 and that all totals up to 20