A. There was 12 cm of snow when Luke woke up. Every 4 hours, the snow amount tripled. Let x represent the number of 4 hour intervals.
B. Levi has 12 rubber ducks. Every year, he gets three more rubber ducks for
his
birthday. Let x represent the number of birthdays.
C. Lucy parents increase her allowance by 12 times the original amount every
five years. She started with an allowance of $3. Let x represent the number of
5 year
intervals.
D. Mara has three Hallmark ornaments on her Christmas tree. Each year, her
number of Hallmark ornaments increases by 12. Let x represent the number of
years.