Topu earns TK. 5.00 for every hour he works. Last week he worked for x hours . He purchased y kg of rice. Price of per kg rice is TK. 12.00 . He saved the remaining amount . Which expression below shows his savings ?
A
TK. (5.00 + 12x + 12.00y)
B
TK. (5.00x - 12.00y)
C
TK. 5.00 (x - y)
D
TK. 7.00 (x - y)
Correct Answer: TK. (5.00x - 12.00y)
Total income = 5x TK Total speding = 12y TK Savings = (5x - 12y) TK.