Answer:
1) the constant variation is B) -2
3) the equation of the line is C) y=2/3x+9
4) the equation of the line is D) y=2x-5
Answer:
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
3.833333333 as a fraction is 3 5/6.
