In one day, Annie traveled 5 times the sum of the number of hours Brain traveled and 2. Together they traveled 20 hours. Find the number of hours each person traveled

Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?