Description
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?
Explanation & Answer
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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.
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