kell22wolf kell22wolf
  • 03-02-2019
  • Mathematics
contestada

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?

Respuesta :

mathecoach
mathecoach mathecoach
  • 03-02-2019

Answer:

140 + x = 3 * (100 - x)

140 + x = 300 - 3x

140 + 4x = 300

4x = 160

x = 40

Inna gave Liz 40 pens.

Answer Link

Otras preguntas

I need help , can some please help me out?
(01.01 LC)Adding regularly scheduled physical activity to her daily schedule helped Alicia become less flexible more interesting less productive more relaxed
22. Four years ago, Samantha was three times as old as Danny. Four years fromnow, Samantha will be only twice as old as Danny. How old are they now?
How many unique triangles can be made where one angle measures 60° and another angle is an obtuse angle?
Epilepsy is caused by: a. random misfiring of the neurons in the brain. b. overdose of drugs. c. allergies. d. genetics.
which of the following is a polynomial with roots 4, -5 and 7?
how did Chinese philosophy during the tang and song dynasties impact korean society?
Do u think tiger could survive in the unfamiliar habitat
What was the jizya in the islamic empire?
who was the first president of the united states?