Kayla received a $90 gift card for coffee. she used it in buying some coffee that cost $8.24 per pound. after buying the coffee, she had $57.04 left on her card. how many pounds of coffee did she buy?

Three times the sum of a number and seven is negative thirty-six. what is the number?

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

What is the sum of these mixed numbers 4 2/3+ 3 1/9