Mathematics, 17.04.2020 19:06 Ariannamorales22
Read each scenario. Create an equation or inequality that represents each scenario, then solve it. Make sure to define any variables (Use a "Let x = " statement). You must give an equation (or inequality) in one variable AND its solution to get credit.
1. Orion buys computer games from an online store. Each game he orders costs $22 and shipping for his total order is $9 (flat rate shipping). Orion can spend no more than $75. How many computer games can he buy?
2. It costs Marcia an access fee for each visit to her gym, plus it costs her $3 in gasoline for each trip to the gym. This month is costs Marcia $108 for 6 trips to the gym. How much is Marcia's access fee per visit?
3. At ABC town, the population had reached a high of 100,000 people. It has been recently discovered that the town's population is declining at 3% per year. If the current population is 91267, how many years have passed?
4. If you end a science experiment with 1920 bacteria in a container, and the population of the bacteria had been doubling every hour, how many bacteria did you start with 6 hours ago?
5. An investment doubles in value every three years. If the value must exceed $4800 in order to re-invest in an even better deal, how many years must you wait if your starting value is $100?
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