Question

NUMBER THEORY The ratio of two less than a number to six more than that

number is 2 to 3. Which of the following numbers is it?
A8
B 18
C 22
D 24

Answer 1

B 18.

Explanation:

(n - 2) /(n + 6) = 2/3 Cross multiply:

2n + 12 = 3n - 6

18 = n.