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A number x is 32% of a number y. If y is 20% of z, what is z
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18 Jul 2018, 17:08
18 Jul 2018, 17:08
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69% (01:32) correct
30% (01:51) wrong based on 121 sessions
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A number x is 32% of a number y. If y is 20% of z, what is z in terms of x?
A. \(0.064x\)
B. \(0.64x\)
C. \(6.4x\)
D. \(\frac{x}{0.064}\)
E. \(\frac{x}{0.64}\)
Kudos for R.A.E
A. \(0.064x\)
B. \(0.64x\)
C. \(6.4x\)
D. \(\frac{x}{0.064}\)
E. \(\frac{x}{0.64}\)
Kudos for R.A.E
Re: A number x is 32% of a number y. If y is 20% of z, what is z
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18 Jul 2018, 19:47
18 Jul 2018, 19:47
1
Carcass wrote:
A number x is 32% of a number y. If y is 20% of z, what is z in terms of x?
A. \(0.064x\)
B. \(0.64x\)
C. \(6.4x\)
D. \(\frac{x}{0.064}\)
E. \(\frac{x}{0.64}\)
Kudos for R.A.E
A. \(0.064x\)
B. \(0.64x\)
C. \(6.4x\)
D. \(\frac{x}{0.064}\)
E. \(\frac{x}{0.64}\)
Kudos for R.A.E
Here x =32% of y = 0.32y
and \(y = 0.2z\)
or \(0.32y = 0.32 * 0.2z\)
or \(x = 0.064z\)
or \(z = \frac{x}{0.064}\)
Re: A number x is 32% of a number y. If y is 20% of z, what is z
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19 Jul 2018, 12:27
19 Jul 2018, 12:27
1
Carcass wrote:
A number x is 32% of a number y. If y is 20% of z, what is z in terms of x?
A. \(0.064x\)
B. \(0.64x\)
C. \(6.4x\)
D. \(\frac{x}{0.064}\)
E. \(\frac{x}{0.64}\)
Kudos for R.A.E
A. \(0.064x\)
B. \(0.64x\)
C. \(6.4x\)
D. \(\frac{x}{0.064}\)
E. \(\frac{x}{0.64}\)
Kudos for R.A.E
Given
y = 0.2 z
x = 0.32 (0.2z) = 0.064z
So,
x = 0.064z
z = x / 0.064
The best answer is D.
