Answer:
the correct answer is eight
Factors 5x are absolutely correct
Explanation
Life expectancy of dollar bill = d
life expectancy of coin = c
d = 1/20 c
substitute value in for c (30)
d = 1/20 * 30
d = 30/20
d = 1.5
life expectancy of a dollar bill = 1.5 years
Answer:
45/2
Step-by-step explanation:
U first have to change the mixed number to improper fraction and find the least common multiple
Answer:
all work is shown and pictured