SOLUTION: I have had this problem for a month and I can't figure out what to do.
Maybe you can help.
A farmer is taking her eggs to the market in a cart, but she hits a
pothole, which
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Question 651783: I have had this problem for a month and I can't figure out what to do.
Maybe you can help.
A farmer is taking her eggs to the market in a cart, but she hits a
pothole, which knocks over all the containers of eggs. Though she is
unhurt, every egg is broken. So she goes to her insurance agent, who
asks her how many eggs she had. She says she doesn't know, but she
remembers somethings from various ways she tried packing the eggs.
When she put the eggs in groups of two, three, four, five, and six
there was one egg left over, but when she put them in groups of seven
they ended up in complete groups with no eggs left over.
What can the farmer figure from this information about the number of
eggs she had? Is there more than one answer?
I have already tried multiples of seven, but I can't figure the
answer out. Could you please tell me how to get the answer and also
tell me what it is?
Thanks for your help.
Found 2 solutions by MathLover1, stanbon:
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
If there were eggs when put into groups of there have been a of eggs.
We need to find where
where , , , and are the number of when the eggs are put into groups of , , , and .
there is when the eggs are put into groups of there will automatically be when they are put into groups of or groups of . So we can forget groups of and .
The number which is by and is , but isn't divisible by , so the smallest number which will divide by , , and is .
So we need
but also
The easiest way to solve this is to try values ,, ,, ,... for to get values of , , , , ... for , and to pick the first of these which divides by . This is .
So the number of eggs is .
Adding to a valid solution will also give a valid solution.
So the next solution is .
All the solutions are , , , , , ... (i.e. add each time)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
When she put the eggs in groups of two, three, four, five, and six
there was one egg left over, but when she put them in groups of seven
they ended up in complete groups with no eggs left over.
------
Equations:
(x-1)/2 = y1
----
(x-1)/3 = y2
------
(x-1)/4 = y3
----
(x-1)/5 = y4
-----
(x-1)/6 = y5
------
x/7 = y6
-----------
I used a TI-84 and looked for the x value that gave
an integer solution for all of the above equations.
---------------------------
Ans: x = 301 eggs
=======================
Cheers,
Stan H.
=======================
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