Mathematics, 17.02.2021 18:30 mutesheep
1. Yared and Luke are wrapping presents. Yared is able to wrap presents at a constant rate of 3 presents every 15 min. Luke is able to wrap presents at a constant rate of 5 presents every 20 min. Each boy has 20 presents to wrap, and the boys started wrapping presents at the same time.
(a) How many presents will Yared still need to finish wrapping when Luke has finished wrapping all 20 of his presents? Explain.
(b) What percent of his presents will Yared still need to wrap when Luke has finished wrapping presents? Explain.
(Can someone please explain this to me)
Answers: 3
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Question b of 10which of the following describe an angle with a vertex at a? check all that applyo a. labcов. савd dooo c_baco d. zacb
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Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.
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1. Yared and Luke are wrapping presents. Yared is able to wrap presents at a constant rate of 3 pres...
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