Question

GUIDED PRACTICE See Example Solve. Write each answer in simplest form. L 1. a-1 = 1 2. m+ See Example 2 4. = 8 3. p-}= 1 6. 3w= See Example 3 7. Kara has cup less oatmeal than she needs for a cookie recipe. If she ha cup of oatmeal, how much oatmeal does she need? See Example 1 INDEPENDENT PRACTICE Solve. Write each answer in simplest form. 8. n- 12. h + 1 = 10 14. $x = 4 15. {w= 17. 6z = 18.x = 10. s-= 13. y + 5 = 2 16. 5y = 10 19. n = 1 See Example 2 See Example 3 20. Earth Science Carbon-14 has a half-life of 5,730 years. After 17,190 years, of the carbon-14 in a sample will be left. If 5 grams of carbon-14 are left after 17,190 years, how much was in the original sample? Extra Practice See page EP 10. Con PRACTICE AND PROBLEM SOLVING Solve. Write each answer in simplest form. 21. = 22. m- } = 24. 9+1 = 1 25. x = 1 27. n = 3 28. z+ = 3. 30. - - +m=-1 31. - +r=- 33. h - = 34. - - 36. 4 +p=5 37. d-5591 32. y- - - 35. - =- 38. 6 * = 13% 39. Food Each person in Finland drinks an average of 24 lb of coffee per This is 13 lb more than the average person in Italy consumes. On av how much coffee does an Italian drink each year? 40. Weather Yuma, Arizona, receives 102. fewer inches of rain each than Quillayute, Washington, which receives 105 inches per year. National Weather Service). How much rain does Yuma get in one ye Pear. (Sauna 196 Chapter

Answer 1

Solution Data a. I + ☺ is an ain $ 3.YŽ n=8 3 na 8x5 = 40 3 w who 0 Kara needs + 2 - Confo og ordenly Glw att uw (9) t-3 slo a t= 1 + 3 = 3 ® yoyote **4> 4520, © symy

62 - ) 2.1.1. (B) one 2x 8 2*6 127 85 55 2 un nike ell S @ 4*- 4 t = 1 *** te lat Ⓡ mal = { sma 7 2 ] S we 3x8 & +t-17 I w. 8 »t: 17-8 . l 179 - 19 1 Ⓡ j 04.3% +54 54th 24%-5% 2.54-% tom a-7 - 9 6. Rest all can be easily done in a similar

Solved using elementary school arithmetic.