SOLUTION: Liz had 140 pens and Inna had 100 pens. After Inna gave Liz some pens, Liz had 3 times as many pens as Inna. How many pens did Inna give Liz? PLEASE HELP ASAP THIS IS DUE TOMORROW

Question 1100556: Liz had 140 pens and Inna had 100 pens. After Inna gave Liz some pens, Liz had 3 times as many pens as Inna. How many pens did Inna give Liz?
PLEASE HELP ASAP THIS IS DUE TOMORROW >.<
Answer by ikleyn(52932) (Show Source): You can put this solution on YOUR website!
.

140 + x  = 3*(100-x)

140 + x = 300 - 3x

x + 3x = 300 - 140

4x = 160.

x = 40.

That's all.

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I understand that you are "in hurry" having deadline tomorrow, but somewhen later look into the lesson
- Virtual exchange between two persons
in this site to get fun reading the solutions to similar problems.

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