Mathematics, 01.12.2019 11:31 brittneys55
100 points 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.
2. a researcher collected data about the favorite car color of a particular population. he asked 250 people about their favorite vehicle color and the survey revealed the following: 32% of people said blue, 24% of people said white, 20% of people said red, 18% of people said black, and 4% of people said silver.
(a) how many people said their favorite vehicle color was red? explain.
(b) how many more people said their favorite vehicle color was blue compared to those who said white? explain.
(c) how many people said their favorite vehicle color was either black or silver? explain.
3. haruto was the starting pitcher for his baseball team. in his last two games, the coach kept a close eye on the number of pitches, balls, and strikes he threw.
(a) in the first game recorded, the coach wrote 60%, or 54 pitches, were strikes. find the total number of pitches haruto threw in this game.
(b) in the second game recorded, the coach recorded 40%, or 34 pitches, were balls. find the number of strikes and the total number of pitches he threw in this game.
Answers: 2
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100 points 1. yared and luke are wrapping presents. yared is able to wrap presents at a constant ra...
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