Answer:20 girls
Step-by-step explanation:the difference between 3 and 4 is one so there will be a difference of one between the 2 questions.
Answer:
2/7
Step-by-step explanation:
4-2=2
4/7 - 2/7 = 2/7
the denominators are the same so just change the numerators
Answer: D.
Step-by-step explanation: