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Mathematics 19 Online
OpenStudy (anonymous):

What is the least common multiple of 70 and 30?

OpenStudy (valpey):

What is a multiple of 10 and 7 and 3?

OpenStudy (anonymous):

How do u do it?

OpenStudy (holly00d1248):

nothing go's into 7 evenly

OpenStudy (holly00d1248):

exept 7

OpenStudy (anonymous):

1?

OpenStudy (valpey):

Multiple of 7, not divisor of 7.

OpenStudy (anonymous):

oh

OpenStudy (valpey):

7, 14, 21, 28,... are all multiples of 7

OpenStudy (anonymous):

wait do u divied or X?

OpenStudy (valpey):

The LCM of two numbers will always be greater than or equal to the larger number.

OpenStudy (anonymous):

Wouldn't it be 210?

OpenStudy (anonymous):

So u do times. right?

OpenStudy (valpey):

Yes, Fuyuko. Delila, can you see why?

OpenStudy (anonymous):

Yeah.

OpenStudy (holly00d1248):

ya im with @FuyukoHarayo

OpenStudy (valpey):

But do you see why it isn't 30*70 = 2100?

OpenStudy (anonymous):

yes have more questions too.

OpenStudy (anonymous):

During a rain storm, the level of a river rose 1 1/4 inches in 1 4 1/2 hours.

OpenStudy (valpey):

You have to start a new thread to ask a different question.

OpenStudy (anonymous):

oh. That sucks

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