Luke prepared 6 kilograms of dough after working 3 hours. How many hours did Luke work if he prepared 20 kilograms of dough? Solve using unit rates.

Answer 1

First solve for Kg per hour by dividing 6 by 3 to get 2 Kg per hour. Now find out how many hours it took to get to 20 Kg by dividing 20 by 2 to get 10 hours.