Question

In a school hall 2/5 of the chairs are red 3/7 are blue and the rest are yellow. if there are 24 yellow chairs, how many chairs are blue?​​

Answer 1

Answer:

devide 3/7 and - the answered in 24

Answer 2

Step-by-step explanation:

let the total number of chair be x

then,

2/5x+3/7x = 29/35x

x-29/35x =24

6/35x =24

24×35/6 =x

140=x

therefore no.of blue chair will be 140×3/7=60

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