Mini Exam 14 — Timed Mini Exams

Questions in this quiz (10)

1. A realtor earns $$\frac{1}{15}$$ the cost of a house in commission from the sale. If a realtor successfully sells a house for $$\$325,000$$, what is the value of the commission earned, rounded to the nearest whole dollar?

   • $$48,750$$
   • $$21,667$$
   • $$4,875$$
   • $$2,167$$

2. If a waitress receives a $$\$7.25$$ tip on top of a $$\$40.28$$ bill, what percent did the customers tip her?

   • $$15.3\%$$
   • $$8.2\%$$
   • $$33\%$$
   • $$18\%$$

3. Stacy drives an average of 60 mph for 30 minutes to get from her home to her brother's house. If her daughter takes the same route and it takes her 40 minutes to arrive, how fast on average was Stacy's daughter driving?

   • 70 mph
   • 40 mph
   • 20 mph
   • 45 mph

4. A cell phone company charges $$\$1.85$$ a minute for international phone calls. If a customer calls a foreign country and talks on the phone for 32 minutes, how much does the phone call cost?

   • $$29.70$$
   • $$17.29$$
   • $$59.20$$
   • $$50.92$$

5. There are 12 boys’ and 14 girls’ names in a hat. What is the probability of selecting a boy’s name twice in a row without replacement?

   • $$\frac{33}{169}$$
   • $$\frac{66}{325}$$
   • $$\frac{11}{25}$$
   • $$\frac{6}{13}$$

6. A coffee service provides catering to a large corporate event. The service has an agreement to charge the hosting company only 95 cents per coffee given at the event. If they serve 261 cups of coffee, how much will the coffee bill be to the hosts?

   • $$257.95$$
   • $$275.45$$
   • $$274.75$$
   • $$247.95$$

7. A half circle has an area of 45 square centimeters. Find the diameter to the nearest tenth of a centimeter. Use 3.14 for $$\pi$$.

   • $$5.4$$
   • $$10.7$$
   • $$12.5$$
   • $$15.7$$

8. Solve. $$3x-8+5+2x=4x-x+6$$

   • 4.5

9. Find the height in centimeters of a cylinder with a volume of $$800\pi$$ cubic centimeters and a radius of 10 centimeters.

   • 8

10. A right triangular prism has a triangular base with legs of 5 centimeters and 12 centimeters and a hypotenuse of 13 centimeters. What is the surface area in square centimeters if the height is 2 centimeters?

    • 120