Respuesta :
Answer:
Step-by-step explanation:
First to get a price of a single rose you will have to divide 10÷5 the price of one rose is 2 after that to know the price of a single orchid you will have to divide 15÷2 you will get 7.50 after then you need 3 roses to 2×3 is 6 and you need one orchid so its 7.50+6 and the answer is 13.50