The number of school days at JFK High School in each of the 4 months is given below. Using the attendance numbers in the table, which of the following expressions gives the average daily attendance for the 9th grade for this 4-month period? Grade Month Sept. Oct. Nov. Dec. 09th 267 295 310 244 10th 425 414 395 341 11th 382 398 395 389 12th 441 384 414 407 previous current 1,200 1,300 1,400 1,500 1,600 Month School days September 20 October 20 November 18 December 15 267 + 295 + 310 + 244 _____ _________ ______ 4 20(267 + 295) + 18(310) + 15(244) ___________ __________ _________ 20 + 18 + 15 20(267 + 295) + 18(310) + 15(244) ___________ __________ _________ 4(20 + 18 + 15) 20(267 + 295) + 18(310) + 15(244) ___________ __________ _________ 20(2) + 18 + 15 20(267) + 20(295) + 18(310) + 15(244) ________________________ _________ 4 Use the following information to answer questions 50–52.
