Answer:
3p + 9
Step-by-step explanation:
3(p + 3) = 3p + 9
_________________________________________
3 over 4 is already simplified. 15 over 12 is 5 over 4. If you are having trouble with the concept, www.ducksters.com/kidsmath/fractions_reducing_simplifying.php is a great guide
They sold 17 bags because you have to divide the total(127.50) by the price(7.50). So the equation is 127.50/7.50=17
