A farsighted woman breaks her current eyeglasses and is usingan old pair whose refractive power is 1.720 diopters. Since these eyeglasses do notcompletely correct her vision, she must hold a newpaper 42.00 cmfrom her eyes in order to read it. She wears the eyeglasses2.30 cm from her eyes. How far is hernear point from her eyes?
cm