x, y ve z sayıları 2,3,4 sayıları ile doğru orantılıdır . Buna göre x ,y + y, z toplamı kaçtır ? A) 12 ,17 B ) 17,12 C) 5,4 D) 9,10​

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.