find a number which what en multiplied by 5 is increased by 80
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Let the number be a
According to question,
5 × a = a + 80
=> 5a = a + 80
=> 5a - a = 80
=> 4a = 80
=> a = 20
Required number = 20
According to question,
5 × a = a + 80
=> 5a = a + 80
=> 5a - a = 80
=> 4a = 80
=> a = 20
Required number = 20
Answered by
0
5x=x+80:5x-x=80:4x=80:x=80/4:x=20
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