Asked by dillon
if 7x=4y, and y/z=7/5 , then x/z=
Answers
Answered by
Graham
Rearrange 7x=4y
<=> y = 7x/4
Substitute into y/z = 7/5
<=> 7x/4z = 7/5
Cancelling common factor (7) and rearranging:
.: x/z = 4/5
<=> y = 7x/4
Substitute into y/z = 7/5
<=> 7x/4z = 7/5
Cancelling common factor (7) and rearranging:
.: x/z = 4/5
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