Add Tenths and Hundredths Practice Test

Josh walked $$\frac{4}{10}$$ of a mile to school, then $$\frac{35}{100}$$ of a mile to the library after school. Which expression correctly shows the total distance Josh walked?

A science experiment requires $$\frac{6}{10}$$ liter of water and $$\frac{28}{100}$$ liter of vinegar. If the total mixture must be less than $$\frac{9}{10}$$ liter, does this recipe meet the requirement?