Respuesta :
45 -31= 14 so the temp. increase 14 degreesÂ
31 ------------- 100%
14 ------------ xÂ
------------------------
 x = 14*100/31 = 45,16%  rounded is approximate 45% increase for the day so farÂ
31 ------------- 100%
14 ------------ xÂ
------------------------
 x = 14*100/31 = 45,16%  rounded is approximate 45% increase for the day so farÂ