Acandy maker makes two sizes of candies. using the smaller size, a full jar will contain 120 pieces of candy. using the larger candies a jar will contain 80 pieces of candy. the candy maker has a strict rule that no jars will contain a mix of small and large candies. if a store has room for 15 jars and they want 1560 total pieces of candy, how many jars will contain smaller candies?