A 35 year old mother realized that her age is twice the sum of her two children's age her son Jose is two year old than her daug
hter Sophia how old are Sophia (x) and Jose (y)
1 answer:
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Answer:
Unit Rate of Change = 1.27%
Step-by-step explanation:
In 2000, t=1 and Total Music sales = 24.8%
In 2007, t=7 and Total Music sales = 32.4%
The Slope
The Unit Rate of Change is 1.27% and it means that the Total Music Sales Increased by approximately 1.27% every year.