The master and the apprentice process a batch of parts. The number of parts processed by the master is 25 more than the total number of 12. The number of parts processed by the apprentice is 13 times that of the master. How many parts are there in total?

The master and the apprentice process a batch of parts. The number of parts processed by the master is 25 more than the total number of 12. The number of parts processed by the apprentice is 13 times that of the master. How many parts are there in total?

Suppose there are x pieces in this batch, we can get the equation: 13 (12x + 25) = 12x-25 & nbsp; & nbsp; & nbsp; & nbsp; 16x + 253 = 12x-25, & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 13X = 1003, & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; X = 100

The master and the apprentice process a batch of parts. The number of parts processed by the master is 25 more than the total number of 12. The number of parts processed by the apprentice is 13 times that of the master. How many parts are there in total?

Suppose there are x pieces in this batch, we can get the equation: 13 (12x + 25) = 12x-25 & nbsp; & nbsp; & nbsp; & nbsp; 16x + 253 = 12x-25, & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 13X = 1003, & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; X = 100

The master and the apprentice worked together to make a batch of parts. The apprentice made a total of 27 parts, 21 less than the master. How many parts are there in this batch?

A: there are 49 parts in this batch