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A box weighs 90 grams.
Write down, in terms of b, the weight of b boxes.

Answer :

Answer:

90b grams.

Step-by-step explanation:

Given that,

Weight of a box = 90 grams

We need to find the weight of b boxes.

For this, we can use unitary method. The weight of one box is given then we can find the weight of many boxes.

i.e.

Weight of b boxes = 90×b

= 90b grams

Hence, the weight of b boxes is 90b grams.

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