You borrow $780 from your brother and agree to pay back $880 in 13 months. What simple interest rate will you pay? % (round to the nearest tenth of a percent) Question Help: Video Submit Question B0/1 pt5 299 Details Question 11 Graduation is 4 years away and you want to have $950 available for a trip. If your bank is offering a 4-year CD (certificate of deposit) paying 4.2% simple interest, how much do you need to put in this CD to have the money for your trip? Question Help: D Video