Answer:
$ 454.86 : $33.25
Explanation:
1.
Alex bought the new easy chair for $ 399 .
If she pays the amount in 13th month. So, she has to pay the interest of 1 month too , which is, = $
![\frac {399 * 14}{100}](https://img.qammunity.org/2020/formulas/mathematics/middle-school/lv2d41isouh7umfnx33twnd3mx8m7xgsf9.png)
= $ 55.86
So, total amount she has to pay for the chair,
= (cost price of the chair + interest)
= $ (399 + 55.86)
= $ 454.86 (answer)
2.
If she wants to pay the amount within the 12 months, so that she doesn't have to pay the interest, her budget for that for each month will be ,
$
![\frac {399}{12}](https://img.qammunity.org/2020/formulas/mathematics/middle-school/6ho54ednj6m1e7t81dkuvq5zjebsf2aur7.png)
= $ 33. 25 (answer)