Simple interest formula to find ending balance 4000 at 6.5% for 5 years

Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?