Question

I need help getting the answer please

Answer 1

this is the answer
$\frac{21}{1} \div \frac{3}{4} = \frac{21}{1} \times \frac{4}{3} \\ = \frac{84}{3} = 28$
or you can solve it like this
$21 \div \frac{3}{4} = 21 \div 0.75 = 28$
hope this helps