SOLUTION: What is the sum of 10 consecutive odd integers if the median of these integers is 40? ----------- --------- If a is three more than 1/3 of b, then what is b in terms of a? Ans

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Question 512592: What is the sum of 10 consecutive odd integers if the median of these integers is 40?
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If a is three more than 1/3 of b, then what is b in terms of a?
Answer
a. 3(a - 3)
b. 3(a + 3)
c. 3a - 3
d. a - 9
e. a - 3
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If it takes 10 people 18 hours to do a certain job, how many hours would it take 15 people, working at the same rate, to do 2/3 of the same job?
Answer
a. 9
b. 10
c. 12
d. 8
e. 6
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
#1)
a=1/3b+3
a-3=1/3b
b=(a-3)/(1/3)
b=(a-3)(3/1)
b=3(a-3)
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#2)
10*18=x*15
180=15x
x=180/15
x=12hrs total
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12*2/3=24/3=8 hrs