Question

$3$ lemons are used to make $5$ glasses of lemon shake .How many lemons will be needed to make $20$ glasses of shake ?

Answer 1

Here, $5$ glasses of lemon shake required = $3$ lemons

therefore, $1$ glass of lemon shake requires = $\frac{3}{5}$lemons

Hence, $20$ glasses of lemon shake requires = $\frac{3}{5}\times 20$

= $12$ lemons.