308 algebra De mystif ieD
algebra DeMYSTiFieD / gibilisco / 000-0 / Chapter 8Quiz
- How much 9% acid solution should be mixed with 21% acid solution to produce
16 ml of 1534 % acid solution?
a. 6 ml
b. 7 ml
C. 8 ml
D. 9 ml - The perimeter of a rectangle is 80 inches, and its width is two-thirds its length.
What is the area of the rectangle? (Hint: After finding the length and width,
multiply them.)
a. 384 in^2
b. 864 in^2
C. 256 in^2
D. 80 in^2 - What is 35% of 14?
a. 4.9
b. 40
C. 4
D. 49 - The weekly profit, P, for producing q units is Pq=− 26 1950. How many units
must be produced each week in order to break even?
a. 25
b. 50
C. 75
D. 100 - At noon, one car heading north on a freeway passes an exit ramp, averaging
70 mph. Another northbound car passes the same exit ramp 5 minutes later,
averaging 77 mph. When will the second car to catch up to the first?
a. 12:45
b. 12:50
C. 12:55
D. 1:00 - The difference between two numbers is 15 and three times the larger is six times
the smaller. What is the smaller number?
a. 5
b. 10
C. 15
D. 30