4.76 rounded to one decimal place is 4.8~
There are 17 possible letters you can choose from and 3 of them are "r"s. So, the probability is 3/17.
Hope this helps!
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Three equivalent ratios of 48:36 are 12:9 ,24:18 ,16:12.
I believe the pressure is 9 pounds per square inch after 6 weeks
