Question

The graph above shows Carmel's distance from home over a one-hour period, during which time he first went to the library, then went to the grocery store, and then returned home. Which of the following statements could be true?

A) The grocery store is about 5 miles from Carmel's house.
B) Carmel traveled a total of 7 miles from the time he left home until he returned.
C) The grocery store is 7 miles farther from Carmel's house than the library is.
D) Carmel spent 10 minutes at the library and 15 minutes at the grocery store.

Answer 1

D

Explanation:

From the graph we can see:

• The library is 5 miles from home (upward sloping line)
• He spends 10 minutes at library (sraight line for 10 minutes)
• The grocery store is 2 miles from library , hence 7 miles from home
• He spends 15 minutes at grocery store (straight line for 15 minutes)
• Returns back home (7 miles)

Given the information extract, we can rule out A, B, and C immediately. Answer choice D is right.