Question

PLEASE HELP ME!

a) The event coordinator asks you to determine how many students participated in the track-and-field day. The total number of students in seventh and eighth grade
combined is 584; 5/8 of them are seventh graders and 3/8 of them are eighth-graders. If 4/8 of the seventh graders participated in track-and-field day and 7/8 of the eighth graders participated, about how many total students participated? Describe the process you used to find your answer. (4 points)

b) Each team earns 1 point for each person who participated in the track-and-field day. Who wins the meet—the eighth graders or the seventh graders? Explain. (2 points)

Answer 1

a) 803

b) The eighth graders.

Explanation:

a) 4/8 of 584 is 292 students.

7/8 of 584 is 511 students.

11/8 of 584 is 803 students.

b) The eighth graders would win because they have more students participating.

Answer 2

a) 373 students and b) eighth graders

Explanation:

a) 5/8 x 584/1= 365 (7th graders)

3/8 x 584/1= 219 (8th graders)

4/8 of the 7th graders participated.

4/8 x 365/1= 182

7/8 of the 8th graders participated

7/8 x 219/1= 191.1 to the nearest 1 is 191

7th graders= 182

8th graders= 191

Total= 373 students participated

b) the eight graders had more participants than the seventh graders by 9 participants