S is inversely proportional to the square of t. it is given that s = 18 for a certain value of t is increased by 100%.
find :
(a) the value of s
(b) the percentage change in value of x

please help its urgent :(

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups