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# If a snail can move i inches in m minutes , then how many feet can it

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Manager
Joined: 23 Nov 2014
Posts: 59
If a snail can move i inches in m minutes , then how many feet can it  [#permalink]

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20 Jul 2017, 05:20
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Difficulty:

45% (medium)

Question Stats:

70% (02:06) correct 30% (01:44) wrong based on 74 sessions

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If a snail can move i inches in m minutes, then how many feet it can move in h hours?

A 5hi/m
B 60hi/m
C hi/12m
D 5m/hi
E 5him
Target Test Prep Representative
Affiliations: Target Test Prep
Joined: 04 Mar 2011
Posts: 2809
Re: If a snail can move i inches in m minutes , then how many feet can it  [#permalink]

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25 Jul 2017, 11:21
1
1
ruchi857 wrote:
If a snail can move i inches in m minutes, then how many feet it can move in h hours?

A 5hi/m
B 60hi/m
C hi/12m
D 5m/hi
E 5him

We are given that a snail's rate is i/m inches/minute. Since 1 foot = 12 inches, in feet per minute, the snail’s rate is:

i/m x 1/12 = i/12

We need to determine how far it will move in h hours or 60h minutes.

Since distance = rate x time:

distance = i/12m x 60h = 5hi/m

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Math Expert
Joined: 02 Aug 2009
Posts: 8302
Re: If a snail can move i inches in m minutes , then how many feet can it  [#permalink]

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20 Jul 2017, 06:18
ruchi857 wrote:
If a snail can move i inches in m minutes, then how many feet it can move in h hours?

A 5hi/m
B 60hi/m
C hi/12m
D 5m/hi
E 5him

i inches in m minutes IS $$\frac{i}{12}$$ ft in $$\frac{m}{60}$$ hr
so $$\frac{60}{m}*\frac{i}{12}=\frac{5i}{m}$$ in 1 hour..
so $$\frac{5hi}{m}$$ in h hour..
A

not 700 level and not a very good Q in terms of variable used..----- i inches , m minutes ad h hour
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Re: If a snail can move i inches in m minutes , then how many feet can it   [#permalink] 20 Jul 2017, 06:18
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