process of elimination is a logical method to identify an entity of interest among several ones by excluding all other entities. i hope this < 3
step-by-step explanation: look at the gcf and factor.
both 8 and 12 share the gcf of 4. and both expressions share the two variables x and y.
3 telemarketing calls
first convert 15% to a decimal:
let x = number of calls
build an expression
substitute our value for x (20 calls)
20(.15) = 3