Answer:
7n = 12+ 3n
Step-by-step explanation:
The first thing to do is subtract 3n from 7n. This would get you 4n = 12. 4 times 3 equals 12, so n equals 3.
To check your answer. 21 = 12+9. sure enough it matches our answer
Answer:
1 cup
Step-by-step explanation:
for each cup of cheese you need one cup of milk so for every cup of milk you need one cup of cheese :))
Answer:32
Step-by-step explanation: 4 bikes every hour so multiply 4 times 8 which is 32
Answer:
B (169)
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
A)12
48÷2= {24}1 day per person
24-12=12