Answer:
Step-by-step explanation:
3/5 = 0.6
1 - 0.6 = 0.4 students left
Multiply the amount of students remaining by the fractional amount that take German
0.4 x 1/4 = 0.1
1 - 0.6 - 0.1 = 0.3
0.3 x 100 = 30%
Therefore 30% of students take French
30 marbles would be green
green chance is 0.3
red chance 0.7
.3 times 100
30 green marbles is what you would expect
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Answer:20 gallons
