Answer:
x = 5.25 or 21/4 or 5 1/4
Explanation:
3x : 9 = 7 : 4
3x = 9 x 7 : 4
3x = 63 : 4
3x = 15.75
x = 15.75 : 3
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check
(3 × 5.25) : 9 = 7 : 4
15.75 : 9 = 7 : 4
1.75 = 1.75
same value, the answer is good
exact form: x=21/4
decimal form: 5.25.
mixed number form: x=5 1/4
have a good day :)
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