Page 767 - Basic College Mathematics with Early Integers

PRACTICE FINAL EXAM 743
Write each ratio or rate as a fraction in simplest form.
24.
24. $75 to $10 25. 9 inches of rain in 30 days

26. Find the unit rate: 27. Find each unit price and decide which is 25.
650 kilometers in 8 hours the better buy.
Steak sauce:
8 ounces for $1.19 26.
12 ounces for $1.89

27.
28. Find the unknown number, n, in the
proportion:

8 11
= 28.
n 6

29.
Solve.
3
29. Subtract 8.6 from 20. 30. During a 258-mile trip, a car used 10
4 30.
gallons of gas. How many miles would
we expect the car to travel on 1 gallon
of gas?
31.

31. The standard dose of medicine for a 32. Twenty-nine cans of Sherwin-Williams
dog is 10 grams for every 15 pounds of paint cost $493. How much was each 32.
body weight.What is the standard dose can?
for a dog that weighs 80 pounds?

33.
33. 0.6% of what number is 7.5? 34. 567 is what percent of 756?

35. An alloy is 12% copper. How much 36. A $120 framed picture is on sale for 15% 34.
copper is contained in 320 pounds of off. Find the discount and the sale price.
this alloy?
35.

Convert.
1 36.
37. 40 mg to grams 38. 2 gal to quarts
2

37.
Solve.

39. If 2 ft 9 in. of material is used to 38.
manufacture one scarf, how much
material is needed for 6 scarves?

39.
Find the mean, median, and mode of the list of numbers.

40. 26, 32, 42, 43, 49 40.