Mean that person is 7 years younger than her
The answer is 0.625 because 1 mm=0.001 meter.
Steps:
10x50=500
500x1.25=625
Convert from mm to meters.
5 and 7 since rectangles must have a pair of each sides
It might be 8 hope this helped good luck on ur assignment
There it goess☝☝,but remember negative numbers are on the left!