2. Angel is putting pebbles into flower pots. She put 42 pebbles in the first
flower pot, 48 pebbles in the second flower pot, 54 pebbles in the third
flower pot, and 60 pebbles in the fourth flower pot. If she continues to put
pebbles in that pattern, how many pebbles will Alyssa put in the tenth flower
pot? Php​