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:
60 and 120
Step-by-step explanation:
The LCM of 12 and 15 is 60
The smallest natural number that would be a multiple of 12 and 15 would be 60.
To find the second number, all you do is multiply 60 by 2 and you get 120.
(60 * 2 = 120)
2 kg = 1.5
1 kg is half of 2 kg, therefore, half the price. Half of 1.5 dollors = 75 cents
Answer:
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3*x
3*2
3x+6
5*x
5*-8
5x-40
Story short the answer is 25
