72% as a fraction is 18/25.
Change 72% into a decimal, which is 0.75.
Then change the decimal into a fraction, 72/100.
Last step is to simplify 72/100 in its lowest form which gets us 18/25.
2 x 10 4th power - 7 3rd power
2 x 10,000 - 343
20,000 - 343
19,657
I think this is the answer to your problem. Hope this helped!
-TTL
Answer:
169 mg
Step-by-step explanation:
The ratio of medicine quantity to body weight is the same for both patients, so ...
amount/(156 lb) = (143 mg)/(132 lb)
Multiply by 156 lb:
amount = (143 mg)(156/132) = 169 mg
The patient requires 169 mg of medicine.