B) Ram Baral sold a pen to Kamala at 25% profit. Kamala sold the pain to Roshan at 10% loss. If Roshan paid Rs 72 to Kamala, how much did Ram pay to buy the
pen?​

He bought a pen for $ 64

Step-by-step explanation:

cp of roshan = sp of kamala that is 72 ₹

and loss % = 10 so cp = 72 × 100/90 = ₹80

now cp of kamala = sp of ram = 80₹

and profit % = 25 so

cp of ram = 80 ×100/125 = ₹16×4=/=64 ans

Hope the answer helps you :)

Have a great day

Mark brainliest

what is the information provided?

step-by-step explanation:

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this