Question:
A plate of chicken rice cost $4 while a plate of spaghetti cost $7. Miss Tan ordered plates of chicken rice and spaghetti in the ratio 2 : 5 for her pupils in a camp. She paid $258 in total.
a) How many plates of chicken rice did she order?
b) How much more money did she spend on spaghetti than chicken rice?
Solution:
![P6 / Rosyth / 2019 / SA1 / Paper 2 – Q04 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/05/P6_Rosyth_2019_SA1_Paper2_Q04-Qns.jpg?resize=400%2C210&ssl=1)
![P6 / Maris Stella / 2019 / SA2 / Paper 2 – Q05 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/06/P6_Maris_Stella_2019_Prelims_Paper2_Q05-Qns.jpg?resize=400%2C260&ssl=1)