Devin has 17 quarters, 12 dimes, 18 nickels, and 8 pennies. how much money does he have in change?

Create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

Answer this question, only if you know the answer. 30 points and brainliest!

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.