a piece of ribbon of length 84cm is divided into three pieces into the ratio of 1 : 4 : 7 calculate the length of the longest
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Let the common ratio be x
1x+4x+7x=84
12x=84
X=7
4*7=28
7*7=49
So we can see 49cm has the longest length
1x+4x+7x=84
12x=84
X=7
4*7=28
7*7=49
So we can see 49cm has the longest length
Answered by
4
Answer:
Let the common ratio be x
1x+4x+7x=84
→12x=84
→X=7
→4*7=28
→7*7=49
So we can see 49cm has the longest length
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