As smart phones have grown in popularity, regular cell phones have fallen out of favor. As a result, one electronics retailer estimates that 20% fewer regular cell phones will be sold every
year. If the retailer sells 810,000 regular cell phones this year, how many will be sold 3 years
from now?
If necessary, round your answer to the nearest whole number.

2x+60=

step-by-step explanation:

the linear relationship that represents a variation in direct proportion is the linear function that varies according to the numbers of its domain, for example the cost of producing x number of items can be represented in direct proportion by f (x) = mx + b, where m is the constant of proportionality, x the number of articles produced and b the fixed cost