Answer:
Yes
Step-by-step explanation:
for pens you are adding 3 each time
for boxes you are adding 1 each time
it is correct because they all have the same unit rate
3/1=3
6/2=3
9/3=3
12/4=3
Let's say 6 and 12. 6 can go into 12 twice, making it a factor, and since it's half of 12, it's the GCF.
Answer:
45
Step-by-step explanation:
× 90 = 45
Decrease means to subtract the amount by 45, then
90 - 45 = 45