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ABISOJOSHUAIN
Answered

The number of girls varied directly as the number of boys and inversely as the number of teachers. When there were 42 girls, there were 30 boys and 5 teachers. How many teachers were there when there were 45 boys and 35 girls?​

Sagot :

RICARDOGONZALESMATHIN

Answer:

Their are 9 teachers when their is 45 boys and 35 girls

Step-by-step explanation:

First lets find the constant k

g=kb/t

42=k30/5

k=7

So k is equal to 7

Now lets find for the unknown

g=kb/t

35=7(45)/t

35=315/t

35t= 315

t=9

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