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Mathematics 15 Online
OpenStudy (nysha):

can someone check my answers please ill medal

OpenStudy (anonymous):

sure

OpenStudy (nysha):

Armando read 20 pages of his 200-page book in 4 hours. At this rate, how long will it take him to read the entire book? 20 hours 40 hours 4 hours 5 hours Question 2 (Multiple Choice Worth 5 points) (04.04)Marcus painted one-third of his bedroom in fourth-fifths of an hour. At this rate, how long would it take him the paint the entire room? five-twelfths of an hour twelve-fifths of an hour fifteen-fourths of an hour four-fifteenths of an hour Question 3 (Multiple Choice Worth 5 points) (04.04)Raul calculated that he would spend $125 on school supplies this year. He actually spent $87.50 on school supplies. What is Raul’s percent of error? 42.9% 37.5% 30% 3% Question 4 (Essay Worth 5 points) (04.04)Maxine spent 15 hours doing her homework last week. This week she spent 18 hours doing homework. She says that she spent 120% more time doing homework this week. Is she correct? Show your work to justify your decision.

OpenStudy (nysha):

1-b 2-b 3-c

OpenStudy (nysha):

4-she is incorrect because she did not work 120% more, she has just worked 20% more this week. 120% of 15 is 18 and she did not work 18 more hours 20% of 15 is 3, and she did work 3 more hours (than 15)

OpenStudy (anonymous):

1-b is correct

OpenStudy (readergirl12):

Looks good. c:

OpenStudy (nysha):

thanks

OpenStudy (nysha):

can @readergirl12 can you best response @LGumboymath234

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