MathTalks

A paint mixture requires 4 parts blue and 1 part white. If 20 liters of blue paint are used, how many liters of white paint are needed?
a) 1 liter b) 4 liters c) 5 liters d) 8 liters

A factory increased its production from 250 units to 300 units. What is the percent increase? a) 15% b) 20% c) 25% d) 30%