I found a place that will give me a 20% discount if I spend over $50. My bill is $75. How much money will I save?
2 answers:
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Answer:
y = -1x + 2
Step-by-step explanation:
We need to find y = mx + b
Use the following equation
Plug in the values
=
We have found the slope(m) which is -1
We have to find y-int b
Plug in any given x,y into the slope formula
-1 = -1(3) + b
-1 = -3 + b
2 = b
At last the formula is
y = -1x + 2