the sum of three numbers is 30. twice the first minus the second is 3 less than the third. the third us the second minus three t
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Answer:
see explanation
Step-by-step explanation:
Using cross- products, that is
=
then ad = bc
Given the ratios
and
Then equating and using cross- products
If both sides equate then the ratios are equivalent
=
, then
4 × 21 = 6 × 14 ⇒ 84 = 84
Both sides are equal thus the ratios are equivalent