6. Only juniors and seniors are enrolled in Algebra III. There are 3 juniors for each senior. On an Algebra III test, 80% of the juniors and 70% of the seniors passed. What percent of the students enrolled in Algebra III did NOT pass the test?
Use the following information to answer questions 7- 9.
At a local pet store, 50 shoppers were polled to see if they owned cats or dogs. Among the polled shoppers, 31 owned at least 1 dog, 20 owned at least 1 cat, 7 owned at least 1 dog and at least 1 cat, and 6 owned neither a dog nor a cat.
7. How many of the 50 polled shoppers owned at least 1 dog but did NOT own at least 1 cat?
F. 11
G. 13
H. 23
J. 24
K. 25
8. One of the 50 polled shoppers will be selected at random. What is the probability that the selected shopper owned at least 1 dog or cat?
9. Every polled shopper was given at least 1 gift for taking part in the survey. Those who owned at least 1 dog were given 1 dog toy valued at $4, those who owned at least 1 cat were given 1 cat toy valued at $3, and those who owned neither were given a gift card with a dollar value of g. A total dollar value of t was given to the shoppers. Which of the following expressions gives the value of g in terms of t ?
10. In the figure shown below, ΔABC ∼ ΔDEF, and the given lengths are in inches. Which of the following expressions gives the value of x in terms of b ?
