Question

Jenny began her pizza delivery route with 1/2 of a tank of gas in her car. When she made it

back to the pizzeria, 2/5 of a tank of gas was left. How much gas did Jenny use?
Write your answer as a fraction or as a whole or mixed number.

Answer 1

She started with 5/10 of a tank, she had 4/10 left. 5/10 - 4/10 = 1/10. Therefore, Jenny used 1/10 of a rank of gas.