Question

Kareem is participating in a 5-day cross-country biking challenge. He biked for 67, 62, 59, and 47 miles on the first four days. How many miles does he need to bike on the last day so that his average (mean) is 60 miles per day? miles

Answer 1

Answer:65miles

Explanation:

Let the needed miles be x

(67+62+59+47+x)/5=60

235+x=60×5

235+x=300

x=300-235

x=65miles