PROBLEM 1:

4.The ratio of a math books and science books in our library is 2:3.how many math books are there if there are 81 science books?

Solution and Answer:

PROBLEM 2:

5.The ratio of the two number 4:5. their difference is 18 what are the two numbers.

Solution and Answer:

Explanation to my answer:

Advice kolang po ung PROBLEM 1 easy lang po un if iiintindi its times lang naman po.

And sa Problem 2 ibabaliktad mo lang naman po ung 18 for shot 81.Thank you!!

I Hope it helps<333.And Have a nice day❤.