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Total price of an exercise book and a pen is 75 taka. If the price of the exercise book would be less by 5 taka and the price of the pen be more by 2 taka, price of the exercise book would be twice the price of the pen. What are the prices of the exercise book and the pen? |
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Answer» f EXERCISE book and a pen = 75 takalet the price of exercise book be X then, price of pen will be 75- X A/qx- 5 =2(75-x+2)x -5 =2(77-x)x-5=154-2xX+2x =154+53x. =159X. =159/3x. =53price of exercise book = 53 takaprice of pen = 75-x =75-53 =22 takacheck by PUTTING values of x in equationx-5 =2(75-x+2)53- 5= 2(22 + 2) 48. = 2× 24 48. = 48 |
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