Asked by Alyssa
Bobby has some marbles.1/3 of them are blue. 1/2 of them are red and the rest are green. If he has 7 green marbles,how many marbles does he have altogether?
Answers
Answered by
Reiny
If x is the total number of marbles,
(1/3)x + (1/2)x + 7 = x
multiply each term by 6, the LCD, to get rid of fractions and the equation
is easy to solve
(1/3)x + (1/2)x + 7 = x
multiply each term by 6, the LCD, to get rid of fractions and the equation
is easy to solve
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