Answer: 10 ? dos = 5 Divide how many audio by the number of adverts

Question nine. Everything for a couple of spend-as-you-go cell phone companies is provided. a good. What is the equipment speed inside the dollars each hour per company? Towards the Name: ____________ bucks each hour Talk Go out: ____________ dollars per hour

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. Imagine if? Several other providers has the benefit of a rate away from $0.05 for each minute. How could the thing is the device speed per hour numer telefonu chatfriends? ____________ dollars per hour

Answer: Because there are 1 hour into the one hour, $.0.05 per minute are sixty ? 0.05 = $step 3 hourly. For this reason the device rate by the hour was $3.

Matter nine. d. Mark Conclusions ‘s the price to some extent c a much better bargain than Into Label otherwise Cam Day? Determine. ____________

Variety of below: ____________

Answer: The product rate simply c are greater than the device costs from part a therefore this is not a better deal compared to the other several 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 performance of dos/step 3 equipment ensures that indeed there have to be dos equipment out of step 1 compound for every step three equipment away from one minute composite. One of these you’ll then end up being 2 eggs for each step three cups of flour. Other example you’ll dos teaspoons off vanilla for every single 3 teaspoons away from glucose.

Answer: No, the pace wouldn’t change. With the example I provided simply a good) off dos egg per 3 glasses of flour, tripling the fresh new recipe would need using 3(dos eggs) = 6 eggs step 3(step three glasses of glucose) = nine glasses of flour. Just like the 6 egg/nine glasses of flour = dos eggs/step 3 cups of flour, the speed is still a comparable.

Question eleven. A wireless station demands DJs to experience dos adverts per ten tunes they enjoy. What’s the product rate out-of songs to advertising? ____________ audio for every single adverts

Question a dozen. Multistep Terrance and Jesse are studies for a long-range competition. Terrance teaches for a price off six miles every half hour and Jesse teaches at a rate regarding 2 miles all fifteen minutes. a. What’s the product rate in mph each runner? Terrance: ____________ mi hourly Jesse: ____________ mi each hour

Answer: Find the product cost per runner from the breaking up the number out-of miles because of the quantity of period. Remember that 15 minutes is actually step one/cuatro out-of one hour because there are 1 hour during the a keen hour 15 ? 60 = 1/4 an effective) Terrance: six ? 1/2 = six ? dos = twelve miles per hour. Jesse: dos ? 1/cuatro = dos ? 4 = 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