2. The lowest possible price of a dress is $235 \mathrm{kn}$, and the lowest price of shoes is $305 \mathrm{kn}$.

1 POINT

The smallest amount Ana could have spent on buying a dress and shoes is

$235 \mathrm{kn} + 305 \mathrm{kn} = 540 \mathrm{kn}$.

1 POINT

The highest possible price of a dress is $244 \mathrm{kn}$, and the highest price of shoes is $314 \mathrm{kn}$.

1 POINT

The largest amount Ana could have spent on buying a dress and shoes is

$244 \mathrm{kn} + 314 \mathrm{kn} = 558 \mathrm{kn}$.

1 POINT

The difference is $558 \mathrm{kn} - 540 \mathrm{kn} = 18 \mathrm{kn}$.

1 POINT

Since 18 > 16, Ana can buy chocolate.

1 POINT

TOTAL 6 POINTS
2. Ana bought a dress and shoes whose prices in kuna are natural numbers. She rounded both prices to the nearest tens and said she spent $240 \mathrm{kn}$ on the dress and $310 \mathrm{kn}$ on the shoes.

a) What is the smallest amount of money that Ana could have spent on buying the dress and shoes?

b) Can Ana buy a chocolate bar for 16 kuna with the difference between the largest and smallest amount of money she could have spent on buying the dress and shoes?