Juan has 240 marbles. This is three times as many marbles as Jon and Jeremy have combined. If Jon has 50 marbles, how many marbles does Jeremy have?
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Answer:
30
Step-by-step explanation:
Let x = number of marbles Jon has
y = number of marbles Jeremy have
3(X + Y) = 240
3(50 + Y) = 240
Divide both sides by 3
50 + Y = 80
Solve for y
Y = 30
Step-by-step explanation:
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