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Author Topic: Math riddle my 8th grader needs help with?  (Read 448 times)
MicroGuy (OP)
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August 17, 2016, 02:30:00 AM
 #1

My son was asked to use the number 4 in a math problem 16 times so that the result equals 5000.

So far the closest we've gotten is 5004.

The problem can only contains 4's.

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I HATE TABLES I HATE TABLES I HA(╯°□°)╯︵ ┻━┻ TABLES I HATE TABLES I HATE TABLES
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August 17, 2016, 02:50:12 AM
 #2

I've put my math team on it, they did 8th grade twice IIRC, so naturally they should have an advantage.

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August 17, 2016, 02:52:19 AM
 #3

I've put my math team on it, they did 8th grade twice IIRC, so naturally they should have an advantage.

fu lutpin Cheesy

hey op, may i ask how did you get to 5004?

MicroGuy (OP)
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August 17, 2016, 03:07:01 AM
 #4

I've put my math team on it, they did 8th grade twice IIRC, so naturally they should have an advantage.

Thank you!


I've put my math team on it, they did 8th grade twice IIRC, so naturally they should have an advantage.

fu lutpin Cheesy

hey op, may i ask how did you get to 5004?

4444 + 444 + 44 + 44 + (4 x 4) + 4 + 4 + 4 = 5004    Cheesy
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August 17, 2016, 03:09:29 AM
 #5

4444 + 444 + 44 + 44 + (4 x 4) + 4 + 4 +4 = 5004
4444 + 444 + 44 + 44 + 44 - 4 - ( 4 x 4 ) = 5000

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August 17, 2016, 03:13:50 AM
 #6

4444 + 444 + 44 + 44 + (4 x 4) + 4 + 4 +4 = 5004
4444 + 444 + 44 + 44 + 44 - 4 - ( 4 x 4 ) = 5000

pffffffffffffffffffffffffffffff.............

MicroGuy (OP)
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August 17, 2016, 03:23:08 AM
 #7

4444 + 444 + 44 + 44 + (4 x 4) + 4 + 4 +4 = 5004
4444 + 444 + 44 + 44 + 44 - 4 - ( 4 x 4 ) = 5000

My son is very happy. He got to stay up late AND has the solution! Thank you.  Smiley  Cheesy  Smiley
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August 17, 2016, 03:28:24 AM
 #8

4444 + 444 + 44 + 44 + (4 x 4) + 4 + 4 +4 = 5004
4444 + 444 + 44 + 44 + 44 - 4 - ( 4 x 4 ) = 5000
That's cheating. He said using only the number 4, not the numeral 4. Here's what I came up with:

((4/4) + (4/4) + (4/4) + 4 + 4(4+4)) x 4 x 4 x (4+4) + 4 + 4 =
(1 + 1 + 1 + 4 + 4(8)) x 16 x 8 + 8 =
(7 + 32) x 128 + 8 =
39 x 128 + 8 =
4992 + 8 =
5000

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