Machu pich, Cuzco, Chan Chan, Lake titicaca
By giving people more education, and remember they are using their money to give everyone else a bigger and brighter future of education, health, and more.
Y= -3/7 - 1/7
Subtract the numerators only (top #)
Y= (-3-1)/7
Y= (-3+ -1)/7
Y= -4/7
Hope this helps! :)