MCAS 1998, 8th Grade Math, Questions 21 to 24

Question #21

In April of each year, a 26.2-mile race is held in Boston. The 100th Boston Marathon was run in 1996. Record numbers of runners participated in the race–about 38,700 officially registered runners plus about 2,000 other people who also participated.

Suppose that all the runners in the marathon stood side-by-side holding hands, as shown in the diagram.

How would the length of the line of all 40,700 runners compare to the length of the 26.2-mile marathon course?

A. The line would be about the length of the course.

B. The line would be just a few miles shorter than the length of the course.

C. The line would be just a few miles longer than the length of the course.

D. The line would be about twice as long as the course.

Question #22 (Short-Answer Question)

4x — 2 = 10

Question #23 (Short-Answer Question)

d = 16t²

Based on this equation, how many feet would the steel marble fall in 10 seconds?

Question #24 (Short-Answer Question)

3.62 + 49.1 + 56 =