... ᎏ23ᎏp,ᎏ11 5 ᎏp = 4.8, p =72. Paul weighs 72 pounds, and Matt weighsᎏ3 5 ᎏ(72) = 43.2 pounds.12.ᎏ14ᎏSolve –6b + 2a – 25 = 5 for a in terms of b:–6b + 2a – 25 = 5, –3b + a = 15, a = 15 + ... secondequation:ᎏ 15 +b3bᎏ+ 6 = 4,ᎏ1b 5 ᎏ+ 3 + 6 = 4,ᎏ1b 5 ᎏ= 5, b = –3. Substitute b into the first equationto find the value of a:–6b + 2a – 25 = 5, –6(–3) + 2a – 25 = 5, 18 + 2a = 30, ... number ofdays: = ᎏ3 5 1tᎏ.4. c. Jump sneakers cost $60 – $ 45 = $ 15 more, or ᎏ14 5 5ᎏ= 33% more than Speed sneakers. Speed sneak-ers cost $ 15 less, or ᎏ16 5 0ᎏ= 25% less than Jumpsneakers....