Question 473048
the amount of rice cake mix to be used varies directly with the number of people who partake of this food. suppose that it takes 7 cups of mix to serve 10 people
a.) write the function expressing the number of cups of cake mix in relation to the number of people
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m = kn
Solve for "k" using "it takes 7 cups of mix to serve 10 people"
7 = k*10
k = 0.7
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Equation:
mix = 0.7*people
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b.) how many cups of cake mix must be prepared for ? people
Ans: 0.7*(? people)
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c.)about how many people can be served with 12 cups of cake mix
12 = 0.7*n
n = 12/0.7
n = about 17
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cheers,
stan H.