Question

Find the value of x in
12:15= 3: X
a.3 3/5. b. 6. c.5.
d.3 1/4





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Answer 1

Answer is D ie 31/4

12:15 ie 12/15 =3:x ie 3/x

12/15 cross ❌ multiply with 3/x

12x=15*3

x=45/12

x=which can be cancelled by 3

x=15/4

x=3 1/4

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