Question

(ii) If x: y = 2: 3 and y: Z = 5:7, find x:y: z.
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Answer 1

Answer:

answer is 10:15:21

Step-by-step explanation:

2×5=10

3×5=15

7×5=21

=10:15:21

Answer 2

Answer:

x / y. = 2/3 .................(1)

y / z = 5/7. ..................(2)

y is the common, to get same denominator,

multiply eq (1) by 5. and,

eq (2) by 3

so here's we get

x /y. = 2×5 / 3×5. and

y/ z. = 5×3 / 7× 3

hence,

x: y : z. = 10: 15: 21