Answer: $617.50
Step-by-step explanation:
9.5% of 6500 = 9.5*6500/100=9.5*65=617.5
So the interest is $617.5 or $617.50
Hope this helped. If you have any questions or clarifications please ask.
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Take 20 laps divide by 8 then take the number times 9 laps
1/8 for the first one and second one is 23 times 6
Answer:

= 7.071067812
Step-by-step explanation:
hope this helps