help with word problem

Algebra
Tutor: None Selected Time limit: 1 Day

The amount of time (t) in minutes it takes to make a coffee at Starbucks is related to (n) the number of coffee’s they purchase. The equation is t = 2n – 3. How long does it take if a customer buys 5 coffees?

May 19th, 2015

Hello!  Hope this helps :)

t=time it takes to make a coffee

n=number of coffee's they purchase

t=2n-3

We want to find the time it takes if a customer buys 5 coffees.  Plug 5 in for n:

t=(2*5)-3

t=10-3

t=7

The time it takes is 7 minutes.

Let me know if you have any questions.  Please give me a rating so I know how I'm doing.  Best of luck to you :)

May 19th, 2015

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