161.5 miles / 3.5 hrs = 46.143 mph
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Answer</h3>
They are being multiplied by 2 each time.
Answer:
I would say " zero" to. Sorry if it's wrong
First you have to get the number on the right 40 to equal 100 so do 40x2=80- +40x1.5= 100
Then do the same thing to the first number 8 so 8x2=16+8x1.5=20
then you have 20/100 right so then that number over 100 is the percent that you get ^-^ 20%