Kelly drinks 0.5 liters of coffee and 0.3 liters of yogurt drink at breakfast. How much did she drink in total in milliliters?

800 milliliters

Step-by-step explanation:

we know that

To find out the total amount Kelly drank, add the amount of coffee and the amount of yogurt and convert the result to milliliters.

so

0.5+0.3=0.8 liters

Remember that

1 liter = 1,000 milliliters

so

0.8 liters=0.8*1,000=800 milliliters

800 mL

Step-by-step explanation:

Because we know that

1 liter equals 1000 milliliters

So 0.5+0.3=0.8

0.8 Liters=0.8*1,000 ML