**If there are 50 mangoes in a box, how will you write the total number of mangoes in terms of the number of boxes? (Use b for the number of boxes.)**

**Answer:**

We know that there are 50 mangoes in 1 box. We do not know the number of boxes which is a variable. Let's suppose that number of boxes = b.

Therefore, number of mangoes in b boxes = 50b