3 years ago

30 POINTS 7TH GRADE MATH! There are 15 girls in your class this year. That is a 15% increase from last year.

Mathematics

1 answer:

klio [65]3 years ago

6 0

Answer:

g/15 = 100/115 so g = 13

Step-by-step explanation:

a 15 percent increase means that there is now 115% of what there was last time. normally its 100% so the ratio is 100:115 and the ratio of gorls is g:15. since the ratios are equal multiply 100/115 by 15 to get g so 13

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