Jerry decided to keep track of what he spends his money on. He spends $120 on clothing, $70 on food and some amount for entertainment. If the amount spent on entertainment to the total amount was 3 to 7. How much did he spend on entertainment?
+36916 t = 120 + 70 + e
e = 3 out of (3+7) t = 3/10 t
t = 120 + 70 + 3/10 t
7/10 t = 190
t = 271.43
e = 3/10 t = 81.43 dollars
