Please help...................................................................................................................................................

Question

asked Jul 19, 2018 20.7k views

1 Answer

William Casarin · Answer 1 · 2018-07-24T04:45:41+0000

you have to find the average of 38 and 42 (witch is 40) and then set it to a ratio of 40:100 multiply both sides by 8.5 and we get 340