bloodry
16.06.2021 •
Mathematics
Josef deposits $50 into a savings account that pays 3.25% interest
compounded quarterly. What will his investment be worth in 12 years if he
makes no other deposits or withdrawals?
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Ответ:
Ответ:
since Sonia saved 45$ in 5 weeks and 70$ in 10 weeks. we are to find the amount she saved up in x weeks.
let's make the amount y
so x= y
5 = 45 cross multiplying the values
we then have 45x= 5y
y= 7x
x=y
10=70
10x = 70y
y= 7x = y=5x+ 20, y = 20x+5