The sum of two numbers is 90 .Their difference is 10. What are the numbers?
Answers
Answered by
1
Answer:
50 and 40
Step-by-step explanation:
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Answered by
1
Answer:
The numbers are 50 and 40
Step-by-step explanation:
let a and b be the numbers
given a+b = 90
and a-b = 10
2a = 100
=> a = 100/2
=> a = 50
substitute a=50 in a+b=90
=> 50+b = 90
=> b = 90-50
=> b= 40
=> the numbers are 50 and 40
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