A washing machine is filling up with water at a constant rate. The rate is Three-fourths of a gallon in StartFraction 1 over 5 EndFraction of a minute. Don calculated the unit rate to be StartFraction 3 over 20 EndFraction of a gallon per minute. What did he do wrong? He added Three-fourths to StartFraction 1 over 5 EndFraction instead of multiplying Three-fourths by StartFraction 1 over 5 EndFraction. He divided Three-fourths by StartFraction 1 over 5 EndFraction instead of multiplying Three-fourths by StartFraction 1 over 5 EndFraction. He added Three-fourths to StartFraction 1 over 5 EndFraction instead of dividing Three-fourths by StartFraction 1 over 5 EndFraction. He multiplied Three-fourths by StartFraction 1 over 5 EndFraction instead of dividing Three-fourths by StartFraction 1 over 5 EndFraction. plz help me i need it qiuck! first answer will be brainliest plz!!