this summer we are planning vacation. we will rent kayaks from kelly's kayak rentals. the equipment fe is $13 in addition to the hourly $4 fee. write an solve a linear equation to determine the cost of a 3 hour kayak adventure

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?