A Japanese restaurant sells three types of rice bowls: Oyakodon, Unadon, Gyudon. The total cost of \

Question

A Japanese restaurant sells three types of rice bowls: Oyakodon, Unadon, Gyudon. The total cost of $12$ Oyakodon, $16$ Unadon and $9$ Gyudon is \$894.31. An Unadon costs twice as much as an Oyakodon. The total cost of $15$ Unadon is \$154.70 more than the total cost of $10$ Oyakodon and $10$ Gyudon. Write this information as three linear equations, and hence find the cost of each type of rice bowl.[5]

Accepted Answer

Oyakodon = $16.67, Unadon =$33.34, Gyudon =$17.87

2024 NYJC H1 Q1

2024 NYJC H1 Q1