Question

A collector has 210 magazines and 300 books. She wants to maintain

this ratio in her collection but she needs to sell some of her items. If
she sells 21 magazines, how many total items should she sell from
her collection?

Answer 1

51 total items

Explanation:

210 Magazine : 300 Books

21 Magazine : 30 Books

If She wants to sell 21 magazines, she would have to sell another 30 books in order to maintain the ratio.

21 + 30 = 51