Question

The sum of two numbers is 100 and their difference is 80 what are the missing numbers

Answer 1

Answer:

given sum of 2 numbers are 100

difference is 80

l90,10

Step-by-step explanation:

let the 2 numbers are a and b

a+b=100

a-b=80

so add both terms

2a=180

a=190/2

a=90

so b=

90+b=100

b=100-90

b=10

Therefore a =90

b=10

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