Selecting every third person in the lunch line waiting to get food
Answer:
$40
Step-by-step explanation:
5(*4)/12(*4)=20/48
If 20/48 of them had 2.00 tips then multiply 20*2= $40
The number is 4
Step-by-step explanation:
First of all we have to convert the given statement in mathematical form.
Let c be the number then according to given statement
We have to isolate the variable in the equation
Dividing both sides by 2
Adding 3 on both sides
Hence,
The number is 4
Keywords: Linear equation, variables
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Use pythagoras.
sqrt((6--12)^2 + (8--4)^2) = 6*sqrt(13) = 21.63 (2 d.p.)