LE 4. a)
In the peak season of winter days, a retailer marked the price of an electric heater
as Rs 4000 and 10% discount was given to make 20% profit. But in the summer
days she increased the discount percent to get only 12% profit from the same type
of heater. How much did she/he increase the discount percent?

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Geometry? i am really bad at math and have dyscalcullia. .

An airplane consumes fuel at a constant rate while flying through clear skies, and it consumes fuel at a rate of 64 gallons per minute while flying through rain clouds. let c represent the number of minutes the plane can fly through clear skies and r represent the number of minutes the plane can fly through rain clouds without consuming all of its fuel. 56c+64r < 900056c+64r< 9000 according to the inequality, at what rate does the airplane consume fuel while flying through clear skies, and how much fuel does it have before takeoff? the airplane consumes fuel at a rate of gallons per minute while flying through clear skies, and it has gallons of fuel before takeoff. does the airplane have enough fuel to fly for 60 minutes through clear skies and 90 minutes through rain clouds?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle