Solution: Assuming that the forged steel is x meters high, we can get the following from the question:

0.008X=0.6？

0.008X=0.2 16

X=27

A: Forged steel is 27 meters high.

Question 13:

Solution: If Party A sold X pairs of shoes last year and Party B sold (12200-X) pairs, this can be obtained from the following questions:

6%X-5%( 12200-X)=50

X=6000

12200-X=6200 (double precision)

A: Last year, Class A sold 6,000 pairs of shoes and Class B sold 6,200 pairs. ..