Question

If the flour to sugar ratio is 5 liters flour to 1 liter sugar, then how much sugar is needed if only 2 liters of flour are used? (Give the answer as a fraction.)

Answer 1

25 or 0.4

Explanation:

2/5 cups are needed.

Explanation:

You write it out as a ratio.

(

5

1

)

=

(

2

x

)

You cross-multiply.

5

x

=

2

⋅

1

Simplify.

5

x

=

2

Divide each side by five to find the value of x.

x

=

2

5

2

5

or

0.4

cups of flour are needed.