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Mathematics

Grade-7

Easy

Question

Jeff had 27lb can of mighty dog food. This dog eats $2 1 fourth$ lbs each day. Number of days the can lasts is_________

$\frac{1}{12}$
$\frac{3}{8}$
$\frac{8}{3}$
$\frac{9}{10}$

The correct answer is: $1 over 12$

STEP BY STEP SOLUTION
Total capicity of can jeff have = 27lbs
Food dog eats per day = $2 1 fourth l b s$
So to find out for how many days the food will last we will divide the food that dog eats per day by the total capicity of can
$2 1 fourth space divided by space 27 space equals space 9 over 4 space divided by space 27 over 1 space equals space 9 over 4 space cross times space 1 over 27 space equals space 9 over 108 space equals space 3 over 36 space equals space 1 over 12$

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