Anna and Barb practiced serving a volleyball over the net. Anna served the ball over the net 18 out of 25 times. Barb served the ball over the net 75% of the time. Use fractions, decimals, or percents to show or explain which girl had the greater rate of success in serving the ball over the net.

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Answers

2014-06-27T20:47:42+08:00
Barb served the ball 75%out of the 25 serves so it means=25x.75=25
                                                                                             x.75
                                                                                              125
                                                                                            175
                                                                                           18.75serves or 19 serves
barb had the greater rate of success on serving the ball.
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2014-06-28T11:49:18+08:00
Change 18/25  that has a denominator for 100. It is 72/100, change that to percent and that will be 72%. So Anna, served the ball 3% less than Barb. Barb has a greater success in serving the ball over the net. 
72%<75%
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