Answer:
y= -2x +7
Step-by-step explanation:
Please see attached picture for full solution.
Given
the life expectancy of a circulating coin is 30 years
the life expectancy of a circulating dollar bill is only 1/20 as long.
Procedure
c=life expectancy of a circulating coin
p= life expectancy of circulating paper money


The answer is: life expectancy of a dollar bill = 1.5 years
Answer:
f = g + d/v
Step-by-step explanation:
g = f - d/v
add d/v to both sides
g + d/v = f
switch sides
f = g + d/v