Need help asap please I am begging yall

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers