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The cost of picture frame M is Tk. 10.00 less than 3 times the cost of picture frame N. If the cost of frame M is Tk. 50.00, what is the cost of frame N?

The cost of picture frame M is Tk. 10.00 less than 3 times the cost of picture frame N. If the cost of frame M is Tk. 50.00, what is the cost of frame N? Correct Answer Tk. 20.00

Cost price of N = x Cost price of M = 3x - 10 3x - 10 = 50 = > 3x = 60 = > x = 60/3 ∴x = 20 

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