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Amy bought x pencils at RM 0.60 each and y erasers at RM0.40 each. She sells the pencil at
RM0.85 each and the eraser at RM0.60 each. Write an algebraic expression for Amy's total profit,
in sen.
​

Respuesta :

Hrishii

Answer:

Profit = 0.25x + 0.20y

Step-by-step explanation:

cost price of 1 pencil = RM 0.60

So, C. P. of x pencils = 0.60x

Similarly,

C. P. of y erasers = 0.40y

Total C. P. = 0.60x + 0.40y

Selling Price of x pencils = 0.85x

S. P. of y erasers = 0.60y

Total S. P. = 0.85x + 0.60y

Profit = Total S. P. - Total C. P.

= (0. 85x + 0.60y) - (0.60x + 0.40y)

= 0. 85x + 0.60y - 0.60x - 0.40y

= 0.85x - 0.60x + 0.60y - 0.40y

Profit = 0.25x + 0.20y

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