Answer:103.2
Step-by-step explanation:
lets say that 120 is 100%
We next represent the value we seek with “x”
From step 1, it follows that 100%= 120
x%= 86%
This gives us a pair of simple equations:
100%=120
x%= 86
By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS (left hand side) of both equations have the same unit (%); we have
100%/x% = 120/86
Taking the inverse (or reciprocal) of both sides yields
x%/100% = 86/120
x= 71.67
Answer:
D
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B
a circle with a diameter of 19.3 inches
