Answer :

guitarpick
there are four parts to a quarter so you divide 28 by 4:
28/4=7
and then because you want to know three quarters you just times 7 by 3:
7x3=21
therefore three quarters of 28 is 21
heyDB
3/8*28

Cancel 4 and 28
3*7

Multiply 3 by 7 to get 21.
21


3/4 of 28 is 21

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