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Porfiriago
Answered

the ratio of the number of boys to the number of girls in a class is 5:6.if there are 20 boys, how many girls are there?​

Sagot :

Answer:

24

Step-by-step explanation:

5 boys: 6 girls = 20 boys: x girls

5:6 = 20:x

multiply the two middle and the two outside

5x = 6 x 20

5x= 120

5x/5=120/5

x=24

Windyanne07go

Answer:

25

Step-by-step explanation:

5:6 = 20:x

Outer first, Then Inner.

Outer : 5 and x

Inner : 6 and 20

5 × x = 5x

6 × 20 = 120

Divide:

5x = 120

__ ___

5 5

x = 25

Therefore, there are 25 girls in a class