Um automóvel percorre 300 km com 20 litros de gasolina quantos quilômetros esse automóvel percorrerá com apenas um litro de gasolina

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

Find the ratios of the corresponding sides