45 - 15 - 15 =
A) 1
B) 30
C) 0
D) 15
Answer (2)
Evaluate the expression by performing subtraction.
First, subtract 15 from 45: 45 − 15 = 30 .
Then, subtract 15 from 30: 30 − 15 = 15 .
The final answer is 15 .
Explanation
Understanding the Problem We are asked to evaluate the expression 45 − 15 − 15 and choose the correct answer from the given options.
First Subtraction To evaluate the expression, we perform the subtractions from left to right. First, we subtract 15 from 45: 45 − 15 = 30
Second Subtraction Next, we subtract 15 from the result, which is 30: 30 − 15 = 15
Final Answer Therefore, the result of the expression 45 − 15 − 15 is 15. Now we choose the option that corresponds to the result. The correct option is D) 15.
Examples
In real life, this type of calculation can be used to track expenses. For example, if you start with $45 and spend $15 on lunch and $15 on a movie ticket, you would have $15 left. This simple subtraction helps manage your budget and understand where your money is going. Understanding basic arithmetic operations is crucial for everyday financial literacy.
The result of the expression 45 − 15 − 15 is 15 . Therefore, the correct answer is D) 15.
;
