five years ago the ratio of rafiq's father and rafiq was 10: 4 and 5 years later ratio of rifiq's father and rafiq will be 2: 1.
a. construct 2 equation according to given information.
b. using this substitution method determine the present age.
c. verify the answer of 'b' by writing the two equation obtained from 'a'
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a. 10x:4,2:1x
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