Find number abc
If 9ca66 - 39b6b = a13c4 find number abc. Multiple solutions may exist.Correct answers: 0
#brainteasers #math
Steel railroad coachIn 1907, the first U.S. all-steel passenger railroad coach was completed in Altoona, Pa. by the Pennsylvania Railroad Co. in its shop at Altoona, Pa. A previous design built there (1902-03) had a steel underframe and superstructure, a composite roof, and wooden window frames and sills.* |