Clarie takes private tennis lessons every 6 days and piano lessons every 4 days. in 60 days, how often will she have tennis and piano lessons on the same day?

multiples of 4: 4,8,12,16,20,24,28,32,36,40,44,48,52,56,60

12 24 36 and 48 are the only common factors

so 4 days

number one is the correct answer

step-by-step explanation: dogs and cats are mentioned, no other animals

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents