Answer:
See below
Step-by-step explanation:
<u>x% of y is found as:</u>
<u>So the answer is:</u>
Review how to find the percent of an amount to find the percent of an amount or of a whole we write
A) 5x - 2y = 12
B) 3x + 2y = 36 Adding both equations eliminates "y"
8x = 48
x = 6 Putting x=6 into equation B we get
3*6 + 2y = 36
2y = 18
y = 9
1 lap in 8/10 (4/5) of a minute
Answer is B, 8/10 minute!
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