A copy machine makes 28 coples per minute. How many coples does It make in 4 minutes and 15 seconds?

119 copies

Step-by-step explanation:

let 'c' = # copies

28 copies / 60 sec = c / (240+15)

=

60c = 7140

c = 7140/60

c = 119

i believe it is b and c. (side note, i got the same computer from k-12 lol i’m in 8th grade and this is my first year, will it get

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