a shopkeepee bought 7 books for rs.525 and sold 4 books for rs 360 .if he/she sold the remaining books at the same rate of cost price find his/her profit or losspercent

His profit is 105 rs

Step-by-step explanation:

if he bought 7 books for 525 RS,that means 1 book costs 75 rs

if he sold 4 books for 360 RS,that means 1 boo costs 90 RS

90×7=630.

630-525=105

Slope of PV = -4

Step-by-step explanation:

Coordinates of the vertices of the given triangle PSV,

P → (2, 4)

S → (3, 4)

V → (3, 0)

Slope of the segment between two points and is given by,

Slope =

Therefore, slope of segment PV will be,

Slope =

          = -4

Slope of PV = -4