Question

There are 9 boys to every 10 girls in a particular high school. there are 2622 students at the school. how many girls are there?

Answer 1

Boys : Girls
9 : 10

-------------------------------------------
Find total parts :
-------------------------------------------
Total Parts = 9 + 10 = 19

-------------------------------------------
Find 1 Part :
-------------------------------------------
19 parts = 2622
1 part = 2622 ÷ 9
1 part = 138

-------------------------------------------
Find 10 parts (girls) :
-------------------------------------------
1 part = 138
10 parts = 138 x 10
10 parts = 1380

--------------------------------------------------------------------------------------
Answer: There are 1380 girls.
--------------------------------------------------------------------------------------