Find the ratio of the following. (a) 63 to 45 (b) 256 to 512 (c) 66km to 121km (d) 3 minutes to 45 minutes
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Step-by-step explanation:
(a) 63 : 45 = 9 x7 : 9 x 5
= 7 : 5
(b) 256 : 512 = 256 x 1 : 256 x 2
= 1 : 2
(c) 66 : 121 = 11 x 6 : 11 x 11
= 6 : 11
(d) 3 : 45 = 3 x 1 : 3 x 15
= 1 : 15
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