Devante has a lunch account in the school cafeteria. His starting balance at the beginning of the month is $35.50. The
first week, Devante bought 3 lunches and his account
balance was $28.00. The second week, Devante bought 5
lunches and his account balance was $15.50.
In a model that relates the balance of his lunch ount

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

What is the value of x? enter your answer in the box.

Which ordered pair is a solution of the equation? 2x+3y=10