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Answer: 6.125 hour
Explanation:
Train 1 ===> 1 hour = 90 miles
Train 2 ===> 1 hour = 120 miles
1 hour = 90 + 120 = 210 miles apart
210 miles = 1 hour
735 miles = 735 ÷ 210 = 6.125 hours
So percent means part out of 100
30%=30/100=3/10
'of' means mutliply
30% of 130 is birds
3/10 times 130=birds
390/10=birds
39=birds
there are 39 exhibits with birds
Four point two-hundred ninety three
