SOLUTION: A family travels to Bryce Canyon for three days. On the first day, they drove 150 miles. On the second day, they drove 190 miles. What is the least number of miles they drive on th
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Question 752138: A family travels to Bryce Canyon for three days. On the first day, they drove 150 miles. On the second day, they drove 190 miles. What is the least number of miles they drive on the third day if their average number of miles per day was at least 180?
Answer by dkppathak(439) (Show Source): You can put this solution on YOUR website!
average -x1+x2+x3/3
average km =180 for three days
let it travel Y km in third day
180 =150+190+Y/3
540 =340 +y
540-340 =y
200 =y
ANSWER 200 km
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