Billy and Justin wash cars. The number of cars Billy washes can be found by the equation B(t) = 8t and the number of cars Justin washes is J(t) = 5t where t is time in hours. If we add these functions, what would the sum represent?
How much time it takes to wash 13 cars
How many cars they can wash in a certain time when working together
How many more cars Billy washes than Justin in a certain time
How many cars they can wash in a half hour

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i just need someone to tell me if im right , i think its the second one ?

yeah i think you are right!

thank you !

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