A certain NYC taxi driver has decided to start charging a rate of r cents per person per mile. How much dollars would it cost 5 people to travel x miles, if he decides to give them a discount of 60%?
Huda bougth ^@ 7 \dfrac{ 9 }{ 17 } ^@ liters of milk. Out of this milk, ^@ 3 \dfrac{ 6 } { 17 } ^@ liters was consumed in the morning and ^@ 2 \dfrac{ 8 } { 17 } ^@ liters was consumed in the evening. How much milk is left with her?
Jalila spent ^@ 9 \dfrac{ 13 }{ 42 } ^@ hours for studying Maths, English and playing basketball. If she studied Maths for ^@ 3 \dfrac{ 5 } { 7 } ^@ hours and English for ^@ 3 \dfrac{ 1 } { 6 } ^@ hours, how long did she play?