Answer:
The answer is 3
Step-by-step explanation:
I put the answer simplified if needed.
Answer:
x=-2 y=7
Step-by-step explanation:
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:
The answer is e
Step-by-step explanation:
