Answer :
10/2=x/5
2x=50
x=25
there are 25 rooms in the 5 story building
2x=50
x=25
there are 25 rooms in the 5 story building
25 because if there are 10 rooms on 2 floors that means there are 5 on each floor. So thats 5 rooms per floor and there are 5 floors so its 5 times 5 which is 25!!
25 is the answer
25 is the answer