The answer is 80 because you add then subtract
Answer:
Step-by-step explanation:
yes i think so
Answer:

Step-by-step explanation:
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The answer is

i hope this answer helps you!
Answer:

Step-by-step explanation:
=> 
<u>Using Formula</u> 
<u><em>Where </em></u>
a = 249
b = 248
=> 
=> 
=> 497