Jay wants to spend less than 80. He plans to buy a pair of jeans that cost $19.99 and some shirts that cost $14.99 • Write an equation or inequality to represent the number of shirts Jay can buy. Deline all variables used • What is the greatest number of shirts that jay can buy while spending less than $80 ? Show your work Respond in the space provided​

Situation: . find the substance's half-life, in days. round your answer to the nearest tenth. a 11 gram sample of a substance that's used to treat thyroid disorders has a k. value of 0.1247. enter the correct answer n - noekt done no - initial mass (at time t = 0) n - mass at timet k a positive constant that depends on the substance itself and on the units used to measure time t= time, in days