Leroi and Sylvia both put $400 in a savings account. Leroi decides he will put in an additional $80 each week. Sylvia decides to put in an additional 20% of the amount in the account each week. Complete the sentence to answer the question.

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years

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

Write the equations in logarithmic form 9^4=6,561