SOLUTION: Solve for the unknown in each of the following proportions.0.5/a=1.25/5 Could someone please show me how to do this?

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Question 397204: Solve for the unknown in each of the following proportions.0.5/a=1.25/5 Could someone please show me how to do this?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
%280.5%2Fa%29=+%281.25%2F5%29 | Recommend cross multiplying to solve for a
1.25a = .5*5 |* indicates completing the 'cross multiplication' process
a = 2.5/1.25 | .5 multiplied by 5 is 2.5
a = 2