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kap26 [50]
3 years ago
14

The ratio of the number of boys to the number of girls is 8:7. The total class is 195 how many boys are there. How many girls ar

e there
Mathematics
1 answer:
swat323 years ago
4 0
8x+7x=195\\
15x=195\\
x=13\\\\
8x=8\cdot13=104 \leftarrow \hbox{boys}\\
7x=7\cdot13=91\leftarrow \hbox{girls}
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