What’s the answer for #4

Mathematics

1 answer:

kari74 [83]2 years ago

4 0

$9\frac{1}{9} \ can \ be\ written\ as\ \frac{82}{9}\\\frac{82}{9} - \frac{5}{6} \\ LCM = 18\\\frac{82*2}{9*2} = \frac{164}{18} \\\frac{5*3}{6*3} = \frac{15}{18}\\\frac{164-15}{18} = \frac{149}{18}\\$

Hope it is clear:)

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Maureen earned some money doing odd jobs last summer and put it in a savings account that earns 9% interest compounded quarterly

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Answer:

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Step-by-step explanation:

The compound interest formula is given by:

$A(t) = P(1 + \frac{r}{n})^{nt}$

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per unit year and t is the time in years for which the money is invested or borrowed.

In this question:

Compounded quarterly means that $n = 4$