Problema Solution
The heights of two starting guards and two starting forwards are 6"1 ,5"10,6"6,6"9.How tall must the starting center be in order for the starting players to have an average height of at least 6"6. (hint: convert all height to inches)
Answer provided by our tutors
Height of two starting guards and two starting forwards are 6"1 ,5"10,6"6,6"9
Converting to inch we have four heights as 73, 70,78, 79
Say fifth player has height x
Then to make average height 6"6 = 78 inch, we have
(73+70+78+79+x)/5 = 78
=> 300+x = 390
=> x= 90
=> x= 12*7+6 = 7"6