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

User IsuPatches
by
7.1k points

2 Answers

2 votes
.25 x 600 = 150
150 + 600 = 750mg
User Nanu
by
7.8k 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.
User GauravSingh
by
8.3k points
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