A gas grill originally priced at 399 is on sale for 30% off
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Answer:
r = 19
Step-by-step explanation:
calculate the slope using the slope formula and equate to 4
m =
with (x₁, y₁ ) = (- 7, 3 ) and (x₂, y₂ ) = (- 3, r )
m = =
=
, then
= 4 ( multiply both sides by 4 )
r - 3 = 16 ( add 3 to both sides )
r = 19