All the answers are on the image attached. there is no work cause i did mental math. the answer to the riddle is typed in yellow at the bottom of the picture
Please find the attachment below for the solution...
5 * 6 = 30
90/3 = 30
5 * 6 = 90/3 = 30
A. For each year a person ages his or her maximum heart rate decreases by 220 beats per minute.!