Question: Set up appropriate equations and solve the given stated problems. All numbers are accurate to at least two significant digits.
A fox, pursued by a greyhound, has a start of 60 leaps. He makes 9 leaps while the greyhound makes but 6; but, 3 leaps of the greyhound are equivalent to 7 of the fox. How many leaps must the greyhound make to overcome the fox? (Copied from Davies, Charles, Elementary Algebra, New York: A. S. Barnes & Burr, 1852.