Susan begins counting backward from 1298 by 4's, saying one number every 5 seconds. At the same time, Jim begins counting forward from 171 by 3's, saying one number every 5 seconds. What number will they both say at the same time?
The answer is 654 1298-4x=171+3x 1127-4x=3x 1127=7x 161=x now plug this in to the original equations 1298-4(161)=171 + 3(161) 1298-644 =171 + 483 654 = 654
