$23.40
Since we know how much Olivia spent total, and we know how much she spent on the sunglasses, we just subtract 16.35 from 39.74, and the final answer is 23.40
$9.20, divided 45 by 5 you get 9.2 since this is money you add a 0
(65+84+x)/3≥80
(149+x)/3≥80
149+x≥240
x≥91
Leon needs to score at least 91 at his next test
the third answer. x represents half of any even number. so half of any even number minus seven equals 1.5 is the answer.