Asked by nikki
mr. mancho, my great dane, ate 125 hot dogs over a five-day period. each day he ate seven more hot dogs than on the previous day. how many hot dogs did he eat on the first day
Answers
Answered by
drwls
Let X be the number eaten the first day.
X + (X+7) + (X+14) + (X+21) + (X+28) = 125
5X + 70 = 125
5X = 55
X = 11
Check: 11 + 18 + 25 + 32 + 39 = 125
This couls have been obtained more easily (and without algebra) by recognizing that the number consumed on the third day (25) was the average for the five-day period.
X + (X+7) + (X+14) + (X+21) + (X+28) = 125
5X + 70 = 125
5X = 55
X = 11
Check: 11 + 18 + 25 + 32 + 39 = 125
This couls have been obtained more easily (and without algebra) by recognizing that the number consumed on the third day (25) was the average for the five-day period.
Answered by
yUo
eleven
Answered by
SuB2Plapper
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