- A child’s bank contains 89 coins consisting of dimes and quarters only.
Find the number of dimes it contains if the total amount in the bank is
$16.70.
(a) 41
(b) 37
(c) 34
(d) 52 - The sum of the digits of a two-digit number is 15. If the digits are
reversed, the new number is 9 more than the original number. Find
the number.
(a) 87
(b) 69
(c) 96
(d) 78 - A person in a motorboat traveled 48 miles upstream in 6 hours.
The same trip downstream took 3 hours. Find the rate of the current.
(a) 4 miles per hour
(b) 8 miles per hour
(c) 10 miles per hour
(d) 12 miles per hour - In a two-digit number, the ten’s digit is 3 more than the unit’s digit. If
the digits are reversed, the new number is 27 less than the original
number. Find the number.
(a) 63
(b) 74
(c) 97
(d) 52 - An airplane took 20 hours to fly a distance of 1500 miles, flying against
the wind. If the return trip took 12 hours flying with the wind, find the
speed of the wind.
(a) 15 miles per hour
(b) 20 miles per hour
(c) 25 miles per hour
(d) 35 miles per hour
Final Exam 289