8.5 yd/1 * 3ft/1yd ................
<h3>every 3 weeks=21 days. this is because 21 is the lowest common factor of 7 and 3</h3><h3 /><h3>And you need to work on your spelling just saying</h3>
2x + 3x = 100
5x=100
x=100/5
x= 20
Therefore, 2x=2×20=40
3x=3×20=60
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Remember that 45%=45/100=0.45
So if the tennis player serves the ball 300 times, and 45% cannot be returned, then we can use the following expression to solve for the answer:
300*0.45=135serves
Answer: 135 serves will not be returned
