Question

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

Step by Step explanation!

Answer 1

Answer:

Let the number of boxes be b

Weight of one box = 1 × 90

Weight if b boxes = b × 90

=90b

Step-by-step explanation:

Answer 2

Answer:

Weight of b boxes = 90 * b

Step-by-step explanation:

One box weighs 90 grams.

So the weight of b number of such boxes will be adding 90 grams b times. i.e. multiplying 90 with b (90*b)