Two sprinters are training
for the 100m.
Jo can usually run 100m in
12 seconds, while his/her younger brother/sister Pat can run 100m in 15 seconds.
(Make up your own, completely non-sexist, version…)
In order to make their
training sessions more competitive, they want to work out how they can run
‘fair’ races against each other, so that both might be expected to reach the
line at the same time.
One way to arrange this is to have Jo running the full 100m while Pat is given a few metres start in front.
How many metres start
should Pat be given?
The other way to make the
race fair is to make Pat run the 100m, but make Jo start a few metres behind.
How many metres behind Pat should Jo start?
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