A car can travel 78 km using 6 litres of petrol. By using ratio and proportion methrfind how much petrol will be needed for travelling a distance of 325 km with solution

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

Asinusoidal function whose frequency is 1/6pi

Cate purchases $1600 worth of stock and her broker estimates it will increase in value by 4.2% each year. after about how many years will the value of cate's stock be about $2000