The sum of three positive integers is 4000. The ratio of the first number to the second number is 23 and the ratio of the first number to the third number is 65. What is the third number?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost.swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

Polynomial that can be factored as (3x-4)(3x+4)