Please help- When Bonita started driving at 4:00 P. M., the temperature was 12°F. When she arrived at home at 10:00 P. M., the temperature was -5°F. What was the change in temperatures from 4:00 P. M. to 10:00 P. M.?

Do the math. she originally had 50 dollars on her gift card and she had 12 dollars left on her gift card after she finished her shopping spree. if you subtract 50 minus 12 you get thirty eight dollars as your answer. so therefore, ciara spent 38 dollars total o