When a nonzero rational and an irrational number are multiplied, is the product rational or irrational?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Me. i can't figure out this question. give an explanation too. .

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4