Chef had to fill up 2 1/4 containers with mashed potatoes. He ended up using 3 1/2 pounds of mashed potatoes. How many pounds would he use id he had to fill up 3 containers?

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Answer 1 · 2017-06-12T14:55:40

See a solution process below:

First, convert:

$2 1/4$ to $2.25$

$3 1/2$ to $3.5$

We can now write this problem as a ratio:

$3.5$ pounds $-> 2.25$ contains $: p -> 3$ containers

We can now write this as an equation and solve for $p$ pounds:

$p/3 = 3.5/2.25$

$color(red)(3) xx p/3 = color(red)(3) xx 3.5/2.25$

$cancel(color(red)(3)) xx p/color(red)(cancel(color(black)(3))) = 10.5/2.25$

$p = 4.bar6$

$4.bar6 = 4 2/3$

Chef would need $4 2/3$ pounds of potatoes to fill 3 containers