the height of the poster must be multiplied by the ratio which is 1 to 2.5 which is 40 cm.
Answer:
Infinitely many solutions
Step-by-step explanation:



Infinitely many solutions
That's false.
Let's see an instance:
10% of 300=30
20% of 100=20
It doesn't work here so it's false
Answer:
I dont see a question.
Step-by-step explanation: