3 years ago

Write a system of equations to describe the situation below, solve using elimination, and fill in the blanks.

Mathematics

1 answer:

In-s [12.5K]3 years ago

7 0

Answer:

Step-by-step explanation:

We are given

The student council earned $1.25 for every cup of hot chocolate it sold

and $0.75 for every cup of apple cider it sold

total number of cup is 375

We can see that first term is 1.25x

and we have

The student council earned $1.25 for every cup of hot chocolate

so, to find total cost of hot chocolate , we multiplied 1.25 with x

that's why

x must be the number of cups of hot chocolate sold

So the answer must be C

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If n(A-B)=18,n(AuB)=70 and n(AnB)=25 then find n(B)

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n(A-B) denotes elements which are in A but not in B

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