Question 1154384
ben bowled 125 and 190 in his first two games.
 What must he bowl in his third game to have an average of at least 180?
:
let x = his 3rd score required to av 180
{{{((x+125+190))/3}}} = 180
mult both sides by 3, add scores
x + 315 = 540
x = 540 - 315
x = 225