Practice test math questions help
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Practice test math questions help

[From: ] [author: ] [Date: 11-05-14] [Hit: ]
how many minutes will it take for the snails to touch?Thank you! Please explain :D-each second, the distance between them lessen 0.09 inches per second.soo,......
Two snails are three feet apart and directly facing each other. If one snail moves forward continuous at .04 inches per second and the other moves forward continuously at .05 inches per second, how many minutes will it take for the snails to touch?

A) 3 1/3 minutes
B) 6 2/3 minutes
C) 9 minutes
D) 12 1/2 minutes
E) 18 minutes

Thank you! Please explain :D

-
each second, the distance between them lessen 0.09 inches per second.
soo, there are 36 inches in 3 feet, soooo


36÷0.09=400 seconds

400 seconds is also 6.66666 minutes

transform that into a fraction, 6 2/3 minutes


so the answer is B
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