A truck going 50 miles per hour set out on a 200-mile delivery at 6:00 A. M.
Exactly half an hour later, a car left from
the same place and traveled in the same
direction as the truck. What was the speed
of the car, in miles per hour, if it caught up
to the truck at 8:00 A. M.? Round your
answer to the nearest tenth.

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

Collin did the work to see if 10 is a solution to the equation r/4=2.4

Determine the area of a triangle with (see picture below)