or
or
Tanveer earned Tk. 5.00 for every hour he worked, so his total earnings for last week can be expressed as 5x Tk.
He purchased y kg of rice at Tk. 12.00 per kg, so the total cost of rice he purchased can be expressed as 12y Tk.
His savings can be calculated by subtracting his total expenses from his total earnings, which gives:
Savings = (Total earnings) - (Total expenses) = 5x - 12y Tk
Therefore, the expression that shows Tanveer's savings is 5x - 12y Tk.
