A factory produced 150 tons of steel in one year the next year it produced 180 what is the percentage increase of output

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

take it another

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )