Answer:
Fastest = 7/12 Simon
Slowest = 11/12 Gilbert
Difference = 4/12
in simple form its 1/3
Explanation:
I don't know about part 2 sorry.
⅓
2/3, 11/12, 5/6, 7/12
Convert in the same denominator
8/12, 11/12, 10/12, 7/12
Fastest = 7/12 (Simon)
Slowest = 11/12 (Gilbert)
Difference = (11/12) - (7/12) = 4/12
= ⅓
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