Answer: 10 ? 2 = 5 Separate just how many songs of the level of advertising
Concern 9. Everything for a couple of pay-as-you-wade mobile people is given. an excellent. What is the equipment speed in cash per hour each business? To your Name: ____________ dollars by the hour Speak Go out: ____________ cash hourly
Answer: Divide the cost by the number of hours for each company to find the unit rates. On Call: 10 ? 3.5 = 2 \(\frac<6><7>\) ? 2.86 Talk Time: 1.25 ? \(\frac<1><2>\) = 2.50
Matter nine. c. What if? Other providers also offers a speeds of $0.05 each and every minute. How would you find these devices rates each hour? ____________ dollars per hour
Answer: Since there are 1 hour for the 60 minutes, $.0.05 per minute is sixty ? 0.05 = $step three hourly. Ergo the unit speed by the hour was $step three.
Matter 9. d. Mark Results ‘s the speed partly c a far greater bargain than simply On the Call otherwise Cam Go out? Identify. ____________
Method of below: ____________
Answer: The unit rate in part c was greater than the unit rates off part a thus it is not a far greater contract versus almost every other a couple of organizations.
Question 10. Represent Real-World Problems Your teacher asks you to find a recipe that includes two ingredients with a rate of \(\frac<2>><3>>\). a. Give an example of two ingredients in a recipe that would meet this requirement.
Answer: A rate out of dos/step 3 devices means that around must be dos tools out-of step 1 element for each step 3 gadgets out-of an additional composite. One of these you will definitely next feel 2 egg for each and every 3 glasses of flour. Various other example you are going to dos teaspoons out of vanilla extract for every 3 teaspoons out-of glucose.
Answer: No, the rate wouldn’t transform. Utilising the example We offered in part an effective) regarding 2 egg for each and every 3 cups of flour, tripling the fresh new recipe would need playing with step three(2 eggs) = six egg step three(step three glasses of sugar) = 9 cups of flour. Because six eggs/nine cups of flour = dos eggs/step 3 glasses of flour, the rate is still an identical.
Matter 11. An invisible station requires DJs playing dos advertisements for each 10 sounds it gamble. What’s the tool rate of songs so you can advertisements? ____________ musical each advertising
Question twelve. Multistep Terrance and you may Jesse is knowledge for a long-distance battle. Terrance trains at a rate of 6 kilometers all half-hour and you will Jesse teaches at a rate out-of 2 kilometers all of the 15 moments. a good. What’s the device price in the miles per hour for each runner? Terrance: ____________ mi by the hour Jesse: ____________ mi per hour
Answer: https://datingranking.net/pl/countrymatch-recenzja/ Select the equipment cost for each and every athlete of the separating the quantity away from kilometers by the amount of era. Understand that ten full minutes was step 1/cuatro out-of an hour since there are an hour inside a keen time fifteen ? sixty = 1/cuatro an effective) Terrance: 6 ? 1/dos = 6 ? 2 = several miles per hour. Jesse: dos ? 1/4 = dos ? cuatro = 8 mph.
Question 12. b. How long will each person take to run a total of 50 miles at the given rates? Terrance: ______ \(\frac>>\) Jesse: ______ \(\frac>>\)
Answer: Divide the number of miles by the unit rates found in part a to find the time. Terrance: 50 ? 12 = = 4 \(\frac<1><6>\) hours Jesse: 50 ? 8 = 50/8 = 6 \(\frac<1><4>\) hours
Question 12. c. Sandra runs at a rate of 8 miles in 45 minutes. How does her unit rate compare to Terrance’s and to Jesse’s? ______ \(\frac>>\) mi per hour