Fractions and D...

$$\displaystyle 3\frac{2}{5}=3+ $$ ____

$$ \displaystyle \frac{1}{7} $$ of $$49$$ litre $$=$$ ____litre

Convert $$\dfrac{11}{4}$$ into a mixed fraction. 

In improper fraction the numerator is always _______ the denominator 

Your supervisor instructs you to purchase 240 pens and 6 staplers for the nurse's station. Pens are purchased in sets of 6 for $2.35 per pack. Staplers are purchased in sets of 2 for 12.95. How much will purchasing these products cost?

Simplifying the fraction $$\displaystyle \frac{6}{5}\times 4\frac{1}{2}$$ gives 

Two-fifth of $$10$$ litre $$=$$  _____ litres

$$\displaystyle \frac{2}{5} $$ of a rupee = ____ paise

Calculate $$456.78\times 8$$.

Each piece of cardboard is $$0.3\ cm$$ thick. If Marie stacks $$8$$ pieces of cardboard on top of one another, how thick will the stack be?