Blake is going to invest in an account paying an interest rate of 1.9% compounded quarterly. how much would blake need to invest, to the nearest dollar, for the value of the account to reach $72,000 in 13 years?

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?