Answers to Homework

Homework is #s 21-32 from #78 in their notebooks...

21) x = 476

22) x = 522

23) x = 1000

24) x = 10,000

25) x = -1

26) x = -2

27) x = 456

28) x = 426

29) x = 17

30) x = 710

31) x = 153

32) x = 171