Algebra 2 help (2 really easy questions!)?

I know this is really easy but I can’t do it. I need help. Please tell me how to work it and/or solve.

At Indianapolis Motor Speedway, one lap is 2.5 miles in length. The average speed of an Indy racing car is 190 miles per hour.

Q1 Find the length of one lap in yards.

Q2 How many seconds would it take to complete one lap?

Top 2 Answers

A few days ago

Maverick

Favorite Answer

Q1)

5280 feet in a mile

3 feet in a yard

5380/3 yards in a mile (or 1760 yards)

1760 * 2.5 yards in 2.5 miles = 4400 yards

Q2)

2.5mi/190mi/hr = .0131578 hr

3600 sec in 1 hour

.013 * 3600 = 47.368 sec

A few days ago

Anonymous

1. There’s 1760 yards in a mile, so 2.5 miles would be (2.5)(1760) = 4400 yards.

2. 190 miles per hour = 190 mi/hr * 1 hr/60 min * 1 min/60 sec = 0.53 miles/sec. So 2.5 miles/.053 miles/sec = 47 sec.

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