7. Two numbers are in the ratio 4 : 5 and their difference is 12. Find the numbers.
8. Two numbers are in the ratio 6: 7. If their sum is 52, find the numbers.
Answers
Answered by
12
Step-by-step explanation:
Let the ratio be x
A/ Q
4x - 5x = 12
-x = 12
x = -12
4x = 4*-12=-48
-5x = -5*-12 = 60
Let the ratio be x
according to question
6x + 7x = 52
13x = 52
x=52/13
x=4
6x =6*4=24
7x=7*4=28
Hope it will help you
Answered by
13
Answer:
The answer of question 7 is 48 and 60 and the answer of question 8 is 24 and 28.
Step-by-step explanation:
Ans7) Let the two numbers be 4x and 5x
Given, Difference = 12
By condition,
5x - 4x = 12 => x = 12
First number = 4x = 4×12 = 48
Second number = 5x = 5×12 = 60
Ans8) Let the two numbers be 6x and 7x
Given, Sum = 52
By condition,
6x + 7x = 52 => 13x = 52 => x = 52/13 = 4
First number = 6x = 6×4 = 24
Second number = 7x = 7×4 = 28
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