Answer:
18 years and 5/14 of a year.
Explanation:
40 divided by 1 3/4 = 22 6/7 but you need to minus 4 1/2 because its already that tall. 22 6/7 - 4 1/2 = 18 5/14. 18 years and 5/14th of a year. have a good day my friends
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