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Simplify the follow ratios.
if a=3b and b =9c,find a:b:c
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2007-09-01 10:36 pm
回答 (2)
2007-09-01 10:48 pm
✔ 最佳答案
Simplify the follow ratios.if a=3b and b =9c,find a:b:c
Put a = 3b into b = 9c, we get a = 3 * 9 = 27c
Thus, a : b : c = 27c : 9c : c
= 27 : 9 : 1 (ans.)
2007-09-03 1:05 am
a = 3b
b = 9c
a = 3 * 9c = 27c
a : b : c
= 27c : 9c : c
= 27 : 9 : 1
b = 9c
a = 3 * 9c = 27c
a : b : c
= 27c : 9c : c
= 27 : 9 : 1
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