Question

1. Which of the following ratios are in proportion?
(i) 3:7 and 21:45
(ii) 1.8: 14.4 and 3.7:29.6
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Answer 1

Step-by-step explanation:

21:45

1.8:14.4

these ratios are in proportion

Answer 2

1. (i) 21:45 = 7:15

(ii) 3.7:29.6 = 1:8

in (ii) 1.8:14.4 is also a ratio in proportion because

1.8:14.4= 1:8

HOPE IT HELPS❤