Final answer:
To calculate 70 - 50 - 45, subtract 50 from 70 to get 20, then subtract 45 from 20 to get a result of -25.
Step-by-step explanation:
To calculate 70 - 50 - 45 you simply subtract the numbers in sequence. First, subtract 50 from 70, which gives you 20. Then subtract 45 from that result, giving you a final answer of -25. Here is the step-by-step explanation:
- Start with the initial number: 70.
- Subtract the second number: 70 - 50 = 20.
- Subtract the third number from the result of step 2: 20 - 45 = -25.
Thus, the calculation of 70 - 50 - 45 equals -25.