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?

Respuesta :

Answer:

800

Step-by-step explanation:

jyuhg

Answer:

x = 800

Step-by-step 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 :)