Question

A pitcher of water contains 1/4 liters of water. The water is poured equally into 5 glasses.

a. How many liters of water are in each glass? Draw a picture to support your response.
b. Write the amount of water in each glass in milliliters.

Answer 1

a. 1/20 liters in each glass.

b. 50 ml in each glass.

Explanation:

a. To find how many liters are in each glass, you have to divide the 1/4 liters by 5 glasses, because the water is poured equally.

`(1)/(4)\:/ (5)/(1)`

Using the division properties of fractions:

`(a)/(b)/ (c)/(d)=(a)/(b)* (d)/(c)`

`(1)/(4)* (1)/(5) =(1* \:1)/(4* \:5) =(1)/(20)`

b. Use the rule of three to convert from liters to milliliters.

• 1 l = 1000 ml

• 1/20 l = x ml

Now, multiply 1/20 l by 1000 ml and divide by 1 l to obtain x.

`x =( (1)/(20)* 1000 )/(1) = (1000)/(20) = 50`