Determine if the following ratios are in proportion:
12:24 and 15:30
(b) 3:12 and 36: 72
150 k to 100ky and 135 ml to 90 ml
(d) 15 cm to 12 cm and 90 to 200
50 gm to 2 kg and 90 hr to 240 min.
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Step-by-step explanation:
a. 12:24 and 15:30
12 15
= ___ = ___
24 30
= then do cross multiplication
= 12x30 = 15x24
= 360 = 360
so, 12:24 and 15:30 is a propertion .
b. 3:12 and 36:72
= 3/12 = 36/72
= 3x72 = 12x36
= 216 = 432
so, 3:12 and 36:72 is not a propertion
in this way u will do the rest
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