In a school gym, the ratio of the number of boys to girls was 4:3. After 160 boys left the gym, the ratio become 4:5. How many g

Question

Klio2033 [76]

2 years ago

6

In a school gym, the ratio of the number of boys to girls was 4:3. After 160 boys left the gym, the ratio become 4:5. How many g

irls were there in the gym

Mathematics

1 answer:

Alenkasestr [34] · Answer 1 · 2022-06-08T11:34:00+03:00

Alenkasestr [34]2 years ago

8 0

Girls never change number

make same
4:3 times 5 is 20:15
4:5 times 3=12:15

boys:girls
from 20:15 to 12:15
boys dropped 160

20-12=8
160=8 units
divide both sides by 8
20=1unit

girls=15 units
20*15=300

300 girls