To pass Biology, a student needs at least an average of 65% on their tests. If the student scores 66, 72, 80, 45 and 59, write and solve an inequality to find the lowest score the student could possibly earn to pass the class.

Suppose you are a salesperson for Trendy Togs. Each month you earn $450 plus one eighth of your sales. What amount must you sell this month to earn more than $2000?

On her last two math tests Natalia had scores of 83 and 90. Write and solve an inequality to determine all the possible scores Natalia can score to average at least 90 on three tests.

What is the greatest possible integer solution of 43x < 680?

10 - 3x ≥ 5x + 26

For lunch Chase has a hamburger and potato chips. The burger has 380 calories and each chip has 12 calories. How many chips can Chase eat if he wants the total calories to be less than 600?

5(8 - 2x) < 2 + 16(4 + x)

Translate and Solve: Th sum of one and three-fifths of a number is at most 22.

Suppose you write a book. The printer charges $4 per book to print it, and you spend $3500 on advertising. You sell the book for $15 a copy. How many copies must you sell so that your income from sales is greater than your total cost?