Answer:
the fist number on the first one second on the seconded one and third on the third one
Step-by-step explanation:
Answer:
7. multiply 2
8. multiply 5 (i think)
9. y=12/ x=4
x/y=3
10. $100
Step-by-step explanation:
What you have is a valid ratio in theory, but it might be easier to understand if it were simplified to integers:
78:13:65
It also depends on what your teacher is asking of you.
Answer:
287 books
Step-by-step explanation
there was already 239 books. when the problem mentoins that Mary ADDS MORE books to the shelf, the operation is addition.
239+48=287