Question

Tori loves to play Doctor Dolphin, a science quiz game. While playing this morning, she lost 80 points when she missed some geology questions. After lunch, she earned 420 points answering biology questions. What was the total change in Tori's score?

Answer 1

340

Explanation:

Answer 2

Answer: She gained 340 points!

Step-by-step explanation: Tori lost 80 in the morning while playing geology, meaning she has reduced 80 from her total count. After lunch, by earning 420, she gains 420 on top of the reduced 80. All you have to do is subtract 80 from 420, giving you a gain of 340 points.