3.9-7 ?
5 answers
3.9 - 7 = -3.1
at the Del school, there are twice as many 4th graders as 5th graders, There are three times as many 6th graders as 5th graders, the total number of 4th, 5th, and 6th graders at the scool is 264. how many 4yh graders are scool? A 52 B 82 C 35 D 88
82
-3.1
X 5th graders
2x 4th grades
3x 6 graders
Total = 264
x + 2x + 3x = 264
6x = 264
x = 44
2x = 2 * 44 = 88 - 4th graders.
2x 4th grades
3x 6 graders
Total = 264
x + 2x + 3x = 264
6x = 264
x = 44
2x = 2 * 44 = 88 - 4th graders.