Homework Help: MATH

Posted by TAYLOR on Sunday, September 5, 2010 at 9:47pm.

MACHO ATE 125 HOT DOGS OVER A FIVE DAY PERIOD. EACH DAY HE AT SEVEN MORE HOT DOGS THAN ON THE PREVIOUS DAY. HOW MANY HOT DOGS DID HE EAT ON THE FIRST DAY?

MATH - Reiny, Sunday, September 5, 2010 at 9:50pm
first day --> x
2nd day --> x+7
etc

x + x+7 + x+14 + x+21 + x+28 = 125
5x = 55
x = 11
MATH - Henry, Sunday, September 5, 2010 at 10:04pm
x = (x+7) + (x+14) + (x+21) + (x+28) =
125,
5x + 70 = 125,
5x = 125 - 70 = 55,
x = 11.
MATH - Nicole, Tuesday, September 7, 2010 at 4:27pm
I agree 100% with that answer and I understand all of it besides:
5x + 70 = 125
please help
MATH - Henry, Tuesday, September 7, 2010 at 7:27pm
X + (X + 7) + (X + 14) + (X + 21) + (X + 28) = 125.

X + X + X + X + X = 5X.

7 + 14 + 21 + 28 = 70.
5X + 70 = 125
5X = 125 - 70 = 55
X = 11.

I'm glad i could help.
MATH - Sriram, Sunday, May 8, 2011 at 4:48pm
11 hot dogs.
MATH - Elisa, Tuesday, June 5, 2012 at 9:55pm
Answer 11 hotdogs
MATH - Alyssa, Wednesday, September 19, 2012 at 7:57pm
the answer is correct it would be 11 hotdogs

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