Question

A magazine as states that 4 out of 7 dentists prefer flash toothpaste.If 1400 dentists were surveyed, how many dentists recommended Flash toothpaste

Answer 1

Answer:

800

Step-by-step explanation:

1400 (the whole) / 7 (the whole) =200 (the partial) 200*4=800

Answer 2

Answer:

800

Step-by-step explanation:

4 out of 7 equals x out of 1400?

4/7 = x/1400

Cross multiply.

7x = 4 * 1400

Divide both sides by 7.

x = 4 * 1400/7

x = 4 * 200

x = 800

Answer: 800 dentists