Chloe paid $21.18 for a large pizza including tax and delivery fees. She gave the delivery person $25 and told the delivery person to keep the change. Did she give the delivery person a 20% tip?
Explain.

No, she tipped about 18%.

Step-by-step explanation:

How much she tipped:

$25 - $21.18 = $3.82

To find the percentage, you can put this tip over the what she paid for the pizza.

%

She only tipped about 18%

First of all, the person you are talking about (Usain bolt) ran 100m in 9.58 seconds, not 9. That’s a huge difference in the 100m dash. The thing is, No one can run that pace for example, 4 times in a row, such that Usain’s record for 400m is 46.38 while the world record is 43.03, which isn’t even under 10 second pace per 100m. Based on this, I could guess that Usain Bolt could run about 525m to 535m in 1 minute and 2 seconds.

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