Question

At a bake sale there were 72 raisin cookies sold. If the ratio of raisin cookies sold to oatmeal cookies sold was 9 : 1, what is the combined amount of raisin and oatmeal cookies sold?

Answer 1

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At a bake sale, there were 72 raisin cookies sold. If the ratio of raisin cookies sold to oatmeal cookies sold was 9:1, what is the combined amount of raisen and oatmeal cookies sold?

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Let the number of raisin cookies sold = $9x$

Therefore, the number of oatmeal cookies sold = $x$

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Now,

Number of raisin cookies sold = 72

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${\implies}9x = 72 \\ {\implies}x = \frac{72}{9} \\ {\implies}x = 8$

x = 8

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The number of oatmeal cookies sold = $x$= 8 cookies

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The total number of cookies sold = number of raisin cookies sold + number of oatmeal cookies sold

The total number of cookies sold = $9x$+$x$ = $10x$

$10x = 10 \times 8 = 80$

The total number of cookies sold = 80

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Your Answer = 80 cookies

Answer 2

Answer:

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