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Elenna [48]
3 years ago
9

Monica asked her friends to buy a charity raffle ticket for $3. All but 4 of her friends bought a ticket, and she raised $18. Ho

w many friends did Monica ask?
Mathematics
1 answer:
jok3333 [9.3K]3 years ago
6 0

Answer:

10 friends

Step-by-step explanation:

$18/$3 = 6

6 = number of friends that bought a ticket.

4 = number of friends who didn't buy a ticket.

end result, 6+4 = 10

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Answer:

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Step-by-step explanation:

The scale is 3 inches is to 2 feet

As a ratio, it would be:

\dfrac{3}{2}

The question is what is the actual length of the stage if the drawing is 30 inches. All we need to do is find a ratio proportional to the scale ratio:

\dfrac{3inches}{2feet} = \dfrac{30inches}{xfeet}

Now to find the missing number, cross multiply the fractions first:

\dfrac{3}{2}=\dfrac{30}{x}

(3)(x)=(2)(30)

3x=60

Then solve for x:

3x=60

x=\dfrac{60}{3}

x=20

The answer is 20 feet

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