Let the price in year 1970 be x
and in 1989 be y
Given relation: y=3.56x
We have two equation and two variables. Hence x, or price in 1970, can be found out. Sufficient.
, hence x, or price in 1970, can be found out. Sufficient
Prepositional Phrases Clarified|Elimination of BEING| Absolute Phrases Clarified
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