If m = 9/25, w = 15/32, and m+w+c=1, which of the following gives the values of m,w,and c in increasing order
Looks like an incomplete question.
Can u pls post the choices.
thanks
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its purely calculative
May be I can give you some tricks for fast calculations:
we have m+w+c=1
9/25 +15/32 +c =1
663/800 + c = 1 [solving by taking LCM]
c = 1- 663/800
c= 137/800
When we have to compare numbers with different denominators(Dr'), we make there Drs' equal just for sake of comparison
so m = 9/25
Multiply by 4 both numerator (Nr') and Dr'
m = 36/100
Further multiply by 8 both Nr' and Dr' as we have the max Dr' as 800
m= 288/800
Similarly w = 15/32
Multiply Nr' and Dr' By 25
w =375/800
c= 137/800
So C> M > W
How to make paced calculation in Question like this,I will post a new topic.
May be I can give you some tricks for fast calculations:
we have m+w+c=1
9/25 +15/32 +c =1
663/800 + c = 1 [solving by taking LCM]
c = 1- 663/800
c= 137/800
When we have to compare numbers with different denominators(Dr'), we make there Drs' equal just for sake of comparison
so m = 9/25
Multiply by 4 both numerator (Nr') and Dr'
m = 36/100
Further multiply by 8 both Nr' and Dr' as we have the max Dr' as 800
m= 288/800
Similarly w = 15/32
Multiply Nr' and Dr' By 25
w =375/800
c= 137/800
So C> M > W
How to make paced calculation in Question like this,I will post a new topic.
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w is just less than 16/32 = 1/2 = 0.5, while m is 0.36. Since m+w+c = 1, c must be very close to zero (using our estimate of w, c is close to 0.14 in value), and c < m < w.baller12q wrote:If m = 9/25, w = 15/32, and m+w+c=1, which of the following gives the values of m,w,and c in increasing order
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AwesomeIan Stewart wrote:w is just less than 16/32 = 1/2 = 0.5, while m is 0.36. Since m+w+c = 1, c must be very close to zero (using our estimate of w, c is close to 0.14 in value), and c < m < w.baller12q wrote:If m = 9/25, w = 15/32, and m+w+c=1, which of the following gives the values of m,w,and c in increasing order
No calculation is required at all.
just pure common sense.
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