our friend purchased a medium pizza for $10.31 with a 30% off coupon. What is the price of a medium pizza without a coupon?
1 answer:
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Answer:
y=-3x+5
Step-by-step explanation: y=mx+b
to find slope (m) use the equation
so
= -3
to find b
use y=mx+b
-1=-3(2)+b
-1=-6+b
5=b
Hope this helps :)