Niko uses 12 marshmallows and 8 graham crackers to make 4 s'mores.

drag marshmallows and graham crackers into the box to show how many niko needs to make 3 s'mores. niko uses 12 marshmallows and 8 graham crackers to make 4 s'mores

6 crackers, 9 marshmallows

Step-by-step explanation:

You have to divide to find how many graham crackers and marshmallows are needed to make 1 s'more:

8 / 4 = 2, so 2 crackers per s'more. Then,

12 / 4 = 3, so 3 marshmallows per s'more. Now that we know this, all we have to do is multiply each number by 3 to make 3 s'mores.

2 * 3 = 6, so 6 crackers, and

3 * 3 = 9, so 9 marshmallows.

:)

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step-by-step explanation: