Is this an expression or an equation 3a-14=4

3a-14=4, is an equation, as equations are always equal to something and give an answer, as too an expression is required to be evaluated to receive an answer.

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The correct option is A.

Step-by-step explanation:

It is given that a country's debt-to-GDP ratio is currently 25%.

It is given that debt is expected to grow from $16 trillion to $20 trillion in the next 10 years.

Let the expected GDP after 10 years to maintain the current debt-to-GDP ratio be x.

The expected GDP after 10 years to maintain the current debt-to-GDP ratio is $80 trillion .

Therefore the correct option is A.