(a) The ratio of two numbers is 2:3. If 9 is added to each number, then their
ratio becomes 11: 15. Find the second number.
(b) 37
(c)38
(d) 36
(a) 39
Answers
Answered by
0
Answer:
the second number is 36
Answered by
0
Answer:
(d) 36
Step-by-step explanation:
Let 2 numbers are 2x 3x
2x+9:3x+9 = 11:15 = 11k:15k
2x+9 = 11k ----(1)
3x+9 = 15k ----(2)
(2)-(1) : x = 4k
(1) : 2(4k)+9 = 11k
8k +9 = 11k
3k = 9
k = 3 and x= 4*3 = 12
So, the second number = 3x = 36
Similar questions