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AB:BC is 3:4. Solve for x. A.11 B.14 C.120 D.140

AB:BC is 3:4. Solve for x. A.11 B.14 C.120 D.140
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1 vote
AB:BC is 3:4. Solve for x.

A.11
B.14
C.120
D.140

User Sirpadk
by
7.9k points

1 Answer

5 votes
AB:BC=3:4
90:(10x-20)=3:4
3(10x-20)=90×4
30x-60=360
30x=420
x=14
User Pedro Andrade
by
7.7k points
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