87 Step-by-step explanation:
Compute the gradient of at (2, 1).
Then the tangent plane to at (2, 1) has equation
Answer:
Step-by-step explanation:
100%-17.5%= 82.5%
82.5% (divide) 82.5%= 1%
so (1% of the orginal price)=
£264 (divide) 82.5%= £320= original price