3 years ago

1

Mathematics

1 answer:

34kurt3 years ago

7 0

Pierre and Jen collect badges. Pierre has 3 times as many badges as Je

This can be shown by p= 3j, where p = the number

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The band has 30 more members than the school chorale. If each group had 10 more members, the ratio of their membership would be

vladimir1956 [14]

Answer:

80 members

Step-by-step explanation:

Let the band members be= b and the chorale members= c

Then, according to question, b=c+30 and $\frac{b+10}{c+10}=\frac{3}{2}$

⇒ $2(b+10)=3(c+10)$

⇒ $2b+20=3c+30$

⇒ $2b-3c=30-20$

⇒ $2b-3c=10$

Now, substituting the value of b=c+30, we get

⇒ $2(c+30)-3c=10$

⇒ $2c+60-3c=10$

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⇒ $c=50$

Therefore, $b=c+30$

$b=50+30=80$

Therefore, there are 80 members in the band.

8 0

3 years ago