Answer:
7 : 8
Explanation:
Let us rewrite the ratio as a fraction

multiplying both the numerator and the denominator by 10 gives

now we divide both the numerator and the denominator by 2 to get

dividing further by 2 gives

which cannot be reduced any further, and thereofre it is our final result.
Hence, the ratio given can be represented as 7/ 6.