Part A Constants A 1.60-cm-high object is placed 30.0 cm from a Determine the object's image size. Follow the sign conventions. concave mirror with

I managed to solve part A Im having difficulty solving the second part please help

Part AConstantsA 1.60-cm-high object is placed 30.0 cm from aDetermine the object's image size. Follow the sign conventions.concave mirror with radius of curvature 30.0 cm.Express your answer to three significant figures and include the appropriate units.hi= -1.60 cmSubmitPrevious AnswersCorrectPart BStated as a multiple of the focal length f, what is the object distance for this "actual-sizedimage" situation? Follow the sign conventions.Express your answer in terms of f.VOAEQ?do =