dcox5057
06.09.2019 •
Mathematics
1. describe two ways the numbers in each proportion are related.
a) 5: 20 = 125: 500 b) 10: 1 = 120: 12 c) 75: 25 = 300: 100
d) 1: 3 = 16: 48
2. multiply between ratios to determine each value of n.
a) 2: 5 = 8: n b) 2: n = 6: 9 c) n: 5 = 12: 20
d) 8: n = 4: 15
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3. multiply within ratios to determine each value of z.
a) 4: 8 = 3: 2 b) 5: 2 = 6: 18 c) z: 14 = 10: 20
d) 3: 21 = z: 56
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Ответ:
b
Step-by-step explanation: