Posted by **Patricia** on Tuesday, November 17, 2009 at 8:31pm.

"Mr. Macho, my great dane, ate 125 hotdogs over a five-day period. Each day he atee seven more hot dogs than on the previous day. How many hot dogs did he eat on the first day?"

I got 55 hot dogs. Is this right??

- Math -
**Ms. Sue**, Tuesday, November 17, 2009 at 8:35pm
Nope. How at that rate, he ate the 125 hotdogs in less than three days.

Day 1: 55

Day 2: 55 + 7 = 62

55 + 62 = 112

- Math -
**Patricia**, Tuesday, November 17, 2009 at 9:00pm
well I thought tnis was right because the question stated that he ate 7 more than the previous day..

For example day 2 55+7 + 62

Day 3: 62 + 14 = 76 (7 more than day 2)

Day 4: 76 + 21 = 97 (7 more than day 3)

Day 5: 97 + 28 = 125(7more than day 4)

- Math -
**Ms. Sue**, Tuesday, November 17, 2009 at 9:25pm
I see what you're thinking, but I believe you're wrong.

**Each day he ate seven **__more__ hot dogs than on the previous day.

It seems to me the dog ate between 10 and 15 hotdogs the first day.

- Math -
**Reiny**, Tuesday, November 17, 2009 at 9:49pm
first day: x hotdogs

second day: x+7

third: x+14

fourth: x+21

fifth : x+28

x + x+7 + x+14 + x+21 + x+28 = 125

5x + 70 = 125

5x = 55

x = 11

so he ate 11, 18, 25, 32, 39

addd them up, it totals 125

- Math -
**Patricia**, Wednesday, November 18, 2009 at 12:13am
Thanks for everybodys help, I understand the math now.

- Math -
**lexie**, Wednesday, June 6, 2012 at 5:58pm
i have th exact same problem!

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