AMC 8 Daily Practice Round 3

Complete problem set with solutions and individual problem pages

Problem 5 Easy

Yesterday was Saturday. Alice set out from home to see her grandmother. She walked for two hours in a straight line at a fixed speed. After arriving at grandmother's home, Alice spent two hours eating lunch and chatting with her. Then Alice took the bus back home. Taking the bus is twice as fast as walking. During the process, the relationship between Alice's distance from home (d) and time (t) is .

Answer:C

In the first two hours, Alice walked to her grandma's home, then she stayed in grandma's house for two hours. Starting from , she took the bus back home and the speed was twiced. So the answer is .