Tim has some marbles. Sue has twice as many marbles as Tim. Jim has 15 marbles. Tim, Sue and Jim have the a total of 63 marbles. How many marbles does Tim have?

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asked Feb 15, 2022 146k views

4 votes

Tim has some marbles.

Sue has twice as many marbles as Tim.
Jim has 15 marbles.
Tim, Sue and Jim have the a total of 63 marbles.
How many marbles does Tim have?

Mathematics
high-school

Alex Gaynor asked

by Alex Gaynor

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1 Answer

6 votes

Let x = the number of marbles Tim has
Let 2x = the number of marbles Sue has
x + 2x + 15 = 63
3x = 48
x = 16 marbles

Enamrik answered Feb 20, 2022

by Enamrik

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