Oquadrado de 5
o dobro do quadrado de 5
o cubo de 5
o tripolo de cubo de 5

Ihave trouble finding the nth term of a linear sequence

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

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar