Answer:
Tip is $8.64
Everyone pays $22.08
Step-by-step explanation:
57.60×8%=$8.64
57.60+8.64=$66.24
$66.24÷3=$22.08
In math, "over" and "/" and "÷" mean the same thing. The expression you have written is
... 7/12/5/9 = 7/540
It seems possible you may want the ratio of two fractions to be simplified. Perhaps you intend ...
... (7/12)/(5/9) = (7/12)×(9/5) = (7×9)/(12×5) = 63/60
... = 21/20 = 1 1/20
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Dividing by anything is the same as multiplying by its reciprocal. This is a convenient fact when dividing by a fraction.
To find the circumference of a circle you have to multiple the radius by 2 and also by pi. So, to find the radius when given just the circumference, who have to do the reverse operation and divide the circumference by 2 and also by pi to get the answer of 22.92993631, which you could of course round.
My English is not that great but if I got it right the answer is 3
