Answer:(9,-3)
Step-by-step explanation:
You just have to flip the numbers
Multiply the fraction by both things in the parenthesis.
In the 7th and 8th grade combined, there 3+5 girls = 8 girls, and 7+5 boys = 12 boys. If there are only boys and girls, then there are 12+8=20 students in all.
The fraction of girls out of the total is P = 8/20 = 2/5.
Answer:
8/38
Step-by-step explanation:
you calculate how many socks and then take how many the blue ones are