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09-03-2017
Mathematics

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A survey of 120 middle schools showed that 30% have a foreign language program. How many schools have a foreign language program?

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Аноним Аноним

09-03-2017

the answer is 40 i know for sure

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09-03-2017

Take 30 percent of 120 or set a proportion
1) 30/100*120
=3/10*120
=360/10
=36
36 schools have a foreign language program

Proportion
2) 30/100=x/120
=3/10=x/120
=360=10x
=360/10=10/10x
=36=x
36 students have a foreign language program.

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