) A cycle was purchased for Rs. 700 and Rs. 50 was spent on its repair. It was later sold at a profit of 5%. Find the Selling price of the cycle.

answer: 33 ( approx)

step-by-step explanation:

since, in the linear regression formula, the slope is the a in the equation y = b + ax ( by comparing it with the general equation of line y = mx + c )

where,

here given table is,

price ($), x   :           18         23       25       29       30       33

pairs sold, y :         16         13         10       8         6       2

so, ,   ,   ,

and   ,

thus, slop of the given line is,

⇒  

⇒   ≈ 33

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      2

  2 is to go somewhat to the top right of a because it is squared    

v= a h/3