Yahoo Answers: Answers and Comments for Help with this math problem about apples and bananas ? [Mathematics]
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From Mimi Tiger
enUS
Sun, 26 Feb 2012 04:23:14 +0000
3
Yahoo Answers: Answers and Comments for Help with this math problem about apples and bananas ? [Mathematics]
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From borton: ok considering chocolate cake human beings hav...
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Sat, 01 Oct 2016 15:11:07 +0000
ok considering chocolate cake human beings have been a million/3 of the entire, meaning there have been 30 finished. it relatively is considering you're able to multiply the ten (of the human beings who like chocolate cake) circumstances 3. Algebraically it relatively is: x = finished human beings surveyed 10 = a million/3x multiply the two facets by potential of three 30 = x now you be attentive to there have been 30 human beings surveyed, merely subtract 6, 4, 6, and 10 from it. you have 4 leftover. So 4 is the respond.

From Anonymous: it is a simultaneous equation, make apples =a ...
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Sun, 26 Feb 2012 04:37:44 +0000
it is a simultaneous equation, make apples =a bananas=b
put into the word problem:
2a+3b = 0.51
4a+7b = 1.11 then solve
muliply the 1st equation by 2 it get the same value of a's ie
4a+6b = 1.02
4a+7b = 1.11
rearrange the equations to get 4a = to ......
4a=1.026b
4a=1.117b now you have 4a = ......... on both equations you can join the equations
ie 1.026b = 1.117b rearrange to get b's on on e side and numbers on the other
6b +7b = 1.111.02
b= 0.09
now replace the b value into the first equation
2a+ (3*0.09) = 0.51 solve
2a= 0.24
a=0.12
check in the 2nd equation
if a=0.12
4a+7b =1.11
(4*0.12)+7b =1.11
0.48+7b =1.11
7b = 1.110.48
7b = 0.63
b= 0.09
therefore banana cost $0.09
apples cost $0.12

From Pranil: 2a + 3b = 0.51  (1)
4a + 7b = 1.11...
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Sun, 26 Feb 2012 04:33:51 +0000
2a + 3b = 0.51  (1)
4a + 7b = 1.11
subtract
2a + 4b = 0.6  (3)
(3) – (1)
b = 0.09
from
2a + 4b = 0.6  (3)
2a + 0.36 = 0.6
2a = 0.24
a = 0.12
a + 5b = 0.12 + 0.45 = $ 0.57


From Sharanya: I think the ans is $0.57
2x+3y=0.51
4x+7y=1.11...
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Sun, 26 Feb 2012 04:30:50 +0000
I think the ans is $0.57
2x+3y=0.51
4x+7y=1.11
x+5y=
solve the first 2 equ and substitute the ans in the second

From Anonymous: 2a+3b = 0.51
4a+7b = 1.11
find a and b.
...
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Sun, 26 Feb 2012 04:26:57 +0000
2a+3b = 0.51
4a+7b = 1.11
find a and b.
then find the value of (a+5b)