How can you model division by a mixed number?

1 answer:

4 0

Change each mixed number to an improper fraction.Multiply by the reciprocal of the divisor, simplifying if possible.Put answer in lowest terms.Check to be sure the answer makes sense.

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Lianne charged twice as much to walk a large dog than she did to walk a small dog. This week she had time to was 10 small dogs a

guapka [62]

Well she charged twice as much to walk large then small. Let s be small and l be large.
We we know that
l = 2s

we also know that she wants to make 100 so
xl + ys = 100

Where where x is number of large and y is number of small. it says she walked 10 small and 5 large so
5l + 10s = 100

substitute 2s for l because they are same value as shown in first equation I made
5 (2s) + 10s = 100
10s + 10s = 100
20s = 100
s = 5

we can now solve for l
l = 2s
l = 2 * 5
l = 10

So s is 5 and l is 10.

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guapka [62]

Answer:

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Step-by-step explanation:

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Free_Kalibri [48]