There were 744 students in a school. On the school anniversary,
34 of the boys and
45 of the girls came in blue jackets. The rest came in yellow jackets. The number of girls who wore yellow jackets was four times of the boys who wore yellow jackets. How many students were in blue jackets that day?
| Boys |
Girls |
Total |
| Blue jackets |
Yellow jackets |
Blue jackets |
Yellow jackets |
|
| 3 |
1 |
4x4 |
1x4 |
|
| |
1 |
|
4 |
|
| 3 u |
1 u |
16 u |
4 u |
24 u |
The number of girls who came in yellow jackets is repeated. Make the number of girls who came in yellow jackets the same. LCM of 1 and 4 is 4.
Total number of students
= 3 u + 1 u + 16 u + 4 u
= 24 u
24 u = 744
1 u = 744 ÷ 24 = 31
Number of students in blue jackets
= 3 u + 16 u
= 19 u
= 19 x 31
= 589
Answer(s): 589
