Question

The sum of 2 numbers is 45.And there difference is 5.What are the two number?

Answer 1

Answer:

The sum of two numbers is 45 ---> a+b =45 (1)

the difference is 5 -----> a-b=5 (2)

from (2), we can say: a=5+b

we substitute it in (1) so we get,

(a)+b= (5+b) +b =45

---> 5+2b=45

---> 2b= 40

---> b=40/2=20

so b= 20 and a=5+b = 5+20 =25

a=25

b=20

Step-by-step explanation:

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Answer 2

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