Answer:
The percent increase of her collection is 60%
Step-by-step explanation:
Divide 24 by 15 to get your answer which is 1.6. Since the decimal is .6 and it is one digit behind the decimal, you can safely assume it is 60%
Answer:
7
Step-by-step explanation:
First term (a) = -31
Common Difference (d) = -27 - (-31) = -27 + 31 = 4
nth term = a + (n - 1)d = -31 + (n - 1)4 = -31 + 4n - 4 = 4n - 35
Hence, the formula is 4n - 35.
