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julsineya [31]
3 years ago
6

40 percent of the students at rockledge middle school are musicians. 75 percent of those musicians have to read a sheet music wh

en they play instruments. If 38 of the students can play their instruments whithout reading sheet music, how many students are there at rockledge middle school?
Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
5 0

Answer:


Step-by-step explanation:

40/100 musicians .75*40= 30


30 is to 100

as 38 is to x


30          38

----   =    ------              Cross multiply

100          x


30x=3800

divide by three to get

126 and 2/3

you can't split people, so it would be closer to about 127 students.


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