At the coffee shop, the ratio of cups of coffee sold to muffins was 2:7. If the shop sold 84 muffins, how many cups of coffee did the shop sell?

balls

Step-by-step explanation:

24

Step-by-step explanation:

We are trying to find how many cups of coffee were sold if the shop sold 84 muffins.

First, divide.

84 divided by 7=12

Now, multiply 12 by 2.

12x2=24

24 cups of coffee were sold.

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: