princessluna450 princessluna450

27-10-2014
Mathematics

Answered

solve the proportion 4/5=28/x using two different methods. explain each method

Answer :

27-10-2014

4x=28x5
4x=140
4x=35

or you can use the horizontal method

4=28
5=x

you know that 4x7=28
so you obviously know that 5x7 has to give you x which is 35

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