Foot friends uses the same type of leather in their men's and women's hiking boots. During one week the company used 290 ft- of leather to make 40 pairs of men's size 10
hiking books and 60 pairs of size 7 women's hiking boots. Another week the company
used 275 ft of leather to make 50 pairs of men's size 10 hiking boots and 40 pairs of
women's size 7 hiking boots. Find out how much leather is used to make 1 pair of men's
size 10 hiking book and 1 pair of women's size 7 hiking boot.