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Mathematics 16 Online
OpenStudy (anonymous):

LAST ONE , PLEASE HELP ME Chase plays the piano and the cello. For every 2 hours he practices the piano, he practices the cello for 4 hours. If he practiced the piano for 7 hours last week, how many hours did he spend practicing the cello? A. 56 B. 8 C. 14 D. 28

OpenStudy (anonymous):

IS IT C ?

OpenStudy (tiff9702):

no it is d

OpenStudy (anonymous):

If you think about it, 2 doubles into 4....

OpenStudy (anonymous):

so what's 7 doubled?

OpenStudy (anonymous):

You had to do 7 time 4 then divide 2

OpenStudy (anonymous):

yes it is c

OpenStudy (tiff9702):

no it is 4*7

OpenStudy (anonymous):

its the same thing

OpenStudy (anonymous):

So what's half of 28?

OpenStudy (anonymous):

14. Just like 7 doubled is 14.

OpenStudy (anonymous):

14

OpenStudy (anonymous):

There you go. :)

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