last year manfred received 26 paychecks . each of his first 6 paychecks was $ 760 ; each of his remaining paychecks was $ 30 more than each of his first 6 paychecks . to the nearest dollar , what was the average ( arithmetic mean ) amount of his pay checks for the year ?
"= ( 760 * 6 + 790 * 20 ) / 26 = 783 answer is d . posted from my mobile device"
divide(add(multiply(add(760, 30), 30), multiply(6, 760)), 26)