The amounts that two partners invested in a new business were, partner a invested $4300 and partner b invested $7700. if the partners share the profits in the same ratio as their investment, what is partner b's share in a $3600 profit?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!