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The ratio of w to x is 5: 4. The ratio of x to y is 8: 1. If
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05 Aug 2020, 12:05
05 Aug 2020, 12:05
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The ratio of w to x is 5: 4. The ratio of x to y is 8: 1. If the ratio of y to z is 1: 3, what is the ratio of w + x to z ?
A. 13: 3
B. 6: 1
C. 13: 2
D. 12: 1
E. 18: 1
A. 13: 3
B. 6: 1
C. 13: 2
D. 12: 1
E. 18: 1
Re: The ratio of w to x is 5: 4. The ratio of x to y is 8: 1. If
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18 Aug 2020, 21:54
18 Aug 2020, 21:54
1
The easiest and fastest way to solve this is to substitute convenient numbers. Let x = 8. Then y = 1, z = 3, and w = 10. The ratio of w+x:z is now simply 18:3 or 6:1.
B
B
Carcass wrote:
The ratio of w to x is 5: 4. The ratio of x to y is 8: 1. If the ratio of y to z is 1: 3, what is the ratio of w + x to z ?
A. 13: 3
B. 6: 1
C. 13: 2
D. 12: 1
E. 18: 1
A. 13: 3
B. 6: 1
C. 13: 2
D. 12: 1
E. 18: 1
Re: The ratio of w to x is 5: 4. The ratio of x to y is 8: 1. If
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20 Aug 2020, 17:10
20 Aug 2020, 17:10
1
w/x=5/4
x/y=8/1
y/z=1/3
We want to find (w+x)/z
(w+x)/z= w/z + x/z
w/z=(w/x)*(x/y)*(y/z)= (5/4)*(8/1)*(1/3)= 40/12= 10/3
x/z=(x/y)*(y/z)= (8/1)*(1/3)= 8/3
Therefore
w/z + x/z = 10/3 + 8/3 = 18/3= 6
Final Answer: B
x/y=8/1
y/z=1/3
We want to find (w+x)/z
(w+x)/z= w/z + x/z
w/z=(w/x)*(x/y)*(y/z)= (5/4)*(8/1)*(1/3)= 40/12= 10/3
x/z=(x/y)*(y/z)= (8/1)*(1/3)= 8/3
Therefore
w/z + x/z = 10/3 + 8/3 = 18/3= 6
Final Answer: B
