Mathematics Homework Help

Mathematics Homework Help. Exponential Word Problem help?

Julia and her brother, Emilio, are both saving to buy a new computer that costs $1,000. Julia is saving $100 a week and her brother is saving at a weekly rate of 10x-2, if x = the number of weeks of saving. Which of them will reach their $1000 goal first? Explain your answer.

Mathematics Homework Help

 
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