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· ratio-3
Fractions & Ratios · Mixtures
AMC 10 style
●●●○○ 5/10
~3 min
⏱ 0:00
A chemist mixes
30
30
30
liters of
40
%
40\%
40%
acid solution with
20
20
20
liters of
10
%
10\%
10%
acid solution. What is the acid concentration of the mixture?
mixtures
weighted-average
A
20
%
20\%
20%
B
24
%
24\%
24%
C
25
%
25\%
25%
D
28
%
28\%
28%
E
30
%
30\%
30%
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Hint 1 of 3
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