litwork5885
02.01.2020 •
Mathematics
15% of a mass is 45 g. calculate 20% of the mass
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Ответ:
divide 3
5%=15
double
10%=30
double
20%=60
60 grams
legit way
percent/mass=15/45=1/3
1/3=20/?
times both sides by 3?
?=3*20
?=60
60g
Ответ:
I believe its 5/9
Step-by-step explanation:
As you can see, the only fraction that doesn't equal 0.53, or the outlier, is 5/9 or 0.5556