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the number ofboy and girls in a class are in the ratio 7:5 four years later the sum of their ages will be 56 years what are their

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the number ofboy and girls in a class are in the ratio 7:5 four years later the sum of their ages will be 56 years what are their present ages​

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Amaya

III.
A Write the following ratios in colon form
27.2 teachers to 46 pupils
28.12 flowers to 4 vases
29. 21 gar

1, If ∆PRQ ≅ ∆YXZ , write down the side corresponds to the side ZY

2, Find the ratio of 36m to 60cm

3, Find

1 thought on “the number ofboy and girls in a class are in the ratio 7:5 four years later the sum of their ages will be 56 years what are their”

  1. Answer:28


    STEP BY STEP EXPLAINATION:

    Let the number be 5x and 7x.

    So,

    5x + 4 + 7x + 4 = 56

    12x + 8 = 56

    12x = 56 – 8

    12x = 48

    X = 48/12

    X = 4

    So, 5x = 4 * 5 = 20

    7x = 4 * 7 = 28


    Hope it helps…!!

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