4. An ice cream vendor bought 65 dozen of cups from the grocery. He paid Php15 per dozen. How much was his change if he had Php1 000?
a. What is asked in the problem? ____________________________ b. What are the given facts? ________________________________ c. What operations should be used to solve the problem? _________ d. What is the number sentence? ____________________________ e. Solution: ____________________________________________ f. Complete answer: _____________________________________​