Mr Wallace took 600mg of medicine. This was 75% of the full dose. What was the full dose?

asked Feb 18, 2016 198k views

4 votes

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2 votes

.25 x 600 = 150
150 + 600 = 750mg

Nanu answered Feb 20, 2016

by Nanu

8.0k points

5 votes

Set up a proportion.

75% = 0.75

600/0.75 = x/1

Cross multiply:

0.75x = 600

Divide 0.75 to both sides:

x = 800

So the full does is 800mg.

GauravSingh answered Feb 23, 2016

8.6k points

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