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English Math Questions!

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/17 08:56:57
English Math Questions!
1.Jackie's parents have agreed to lend her money for a new bike.Her parents will charge jackie 1% simple intrest per year.How much does Jackie need to repay them,if she borrrowed $120.00 for one year?
2.ALGEBRA:Tara's bank account contains $250.00.She made only 1 deposit exactly 1 year ago.The bank pays a simple intrest rate of 8%.How much money did Tara deposit in the account 1 year ago?
1.一年后,jackie需要还120+120×1%=121.2
2.设原来的账户中有X元
X+X*8%=250 解得 X=231.48