Answer: 10 ? dos = 5 Split just how many tunes by the quantity of ads
Concern nine. Every piece of information for 2 spend-as-you-go cellular phone enterprises is provided with. a. What is the unit speed in the bucks by the hour per organization? Toward Telephone call: ____________ bucks each hour Talk Time: ____________ cash 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. Can you imagine? Some other organization also offers an increase out of $0.05 a minute. How could the thing is that the unit speed each hour? ____________ dollars hourly
Answer: Since there are one hour in 1 hour, $.0.05 per minute try 60 ? 0.05 = $step 3 per hour. Ergo these devices rate per hour is actually $step 3.
Matter 9. d. Draw Findings ‘s the speed partly c a better contract than On Call or Talk Date? Identify. ____________
Type lower than: ____________
Answer: These devices price simply c is greater than the product prices of part a so that isn’t a better price versus other a few companies.
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 away from dos/step three tools means that indeed there have to be dos systems away from 1 mixture each step 3 tools regarding one minute mixture. An example could upcoming getting 2 egg for each step three glasses of flour. Some other analogy you will 2 teaspoons out of vanilla for every single step 3 teaspoons out-of glucose.
Answer: No, the speed wouldn’t alter. Making use of the example We provided in part a good) of 2 eggs each 3 cups of flour, tripling the latest meal would require having fun with 3(2 egg) = 6 egg step three(step 3 cups of glucose) = 9 glasses of flour. Just like the 6 egg/nine glasses of flour = 2 eggs/step 3 cups of flour, the rate has been a similar.
Concern 11. A wireless channel needs DJs playing dos commercials for each 10 tunes they gamble. What’s the device speed of tunes so you’re able to advertisements? ____________ musical each commercials
Matter a dozen. Multistep Terrance and you can Jesse are education for a long-point battle. Terrance trains at a rate out-of 6 kilometers all of the half hour and Jesse trains for a price away from dos miles most of the 15 moments. an excellent. What’s the unit price during the mph for every single runner? Terrance: ____________ mi hourly Jesse: ____________ mi by the hour
Answer: Discover the device prices each runner by breaking up the quantity out of kilometers from the quantity of days. Keep in mind that ten minutes try step one/4 away from one hour because there are an hour from inside the a keen hr 15 ? sixty = 1/cuatro an excellent) Terrance: six ? 1/dos = six ? dos = twelve miles per hour. Jesse: dos ? 1/4 = dos ? 4 = 8 miles per hour.
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