2. A magazine ad states that 4 out of 7 doctors recommend Flash toothpaste. If 1400 doctors were surveyed, how many doctors recommended Flash toothpaste?

Question

asked Nov 19, 2020 46.4k views

2 Answers

Laurena · Answer 1 · 2020-11-23T18:54:08+0000

Answer:

x = 800

Explanation:

This is a ratio problem.

4 / 7 = x / 1400

Cross multiply to get 7x = 5600.

Now divide both sides by 7 in order to isolate x.

x equals 800

Hope this helps you :)