Answer:
-15.12 + 3 7/20 - 8 = -19.77
Explanation:
First convert mixed numbers into fractions.
3 7/20 = 67/20(If you'd like steps on how to turn mixed numbers into fractions please ask in comment box)
-15.12 + 3 7/20 - 8 = -15.12 + 67/20 - 8
Subtract the numbers -15.12 - 8 = -23.12
-15.12 + 67/20 - 8 = 67/20 - 23.12
Turn the fraction into a decimal
67/20 - 23.12 = 3.35 - 23.12
Add the numbers
3.35 - 23.12 = -19.77
hope this helped