3 years ago

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

Mathematics

2 answers:

ss7ja [257]3 years ago

6 0

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

Aleonysh [2.5K]3 years ago

3 0

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.

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