Question

Greg is participating in a 4 -day cross-country biking challenge. He biked for 63 , 54 , and 62 miles on the first three days. How many miles does he need to bike on the last day so that his average (mean) is 59 miles per day?

Answer 1

the answer is 57

u add up 57+54+62+63=236
the u divide 236÷4=59