Answer:
100-mn
Step-by-step explanation:
He bought m books for n dollars each to know the amount of the books he bought,it means m×n=mn
He had $100 intially so to determine the amount left
100-the amount spent
100-mn
Therefore the answer is 100-mn
Answer:
a= -7
Step-by-step explanation:
I hope this helps! :)
9(5) - (3+5) = x
45 - 8 = x