FaisalMian781 FaisalMian781

04-10-2020
Mathematics

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Luke was given a gift card for a coffee shop. Each morning, Luke uses the card to buy one cup of coffee. The original amount of money on the gift card was $30 and after buying 6 cups of coffee, the card had a $12 remaining balance. Write an equation for A,A, in terms of x,x, representing the amount money remaining on the card after buying xx cups of coffee

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lemonsprinkle1 lemonsprinkle1

08-10-2020

Answer:

A= −3x+30

A=30 when x=0 which is the y−intercept.

(0,30) is a point on the graph

A=12 when x=6.

Find the slope using the two points

12-30/6-0= -18/6=-3

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