Question

Maria bought 1 2/5 pounds of lunch meat for $3.36.

How much would 2 3/4 pounds of lunch mean cost?

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$

Answer 1

2 3/4 pounds of lunch meat costs $6.6

Explanation:

Maria bought 1 2/5 pounds of lunch meat for $3.36.

`1(2)/(5) =(1*5+2)/(5) =(7)/(5)`

`(7)/(5)` pounds of lunch = 3.36

1 pound of lunch =
`(3.36)/((7)/(5)) = 3.36 * (5)/(7) =2.4`

So 1 pound of lunch costs $2.4

`2(3)/(4) =(2*4+3)/(4) =(11)/(4)`

1 pound of lunch = 2.4

11/4 pounds of lunch =
`2.4* (11)/(4) =6.6`