Respuesta :

Answer:

They found 15 shells

Step-by-step explanation:

First, multiply. 5 × 2 = 10

Then, add. 5 + 10 = 15

Lastly, have a great day!

15 seashells Jane has 5 ruby has twice as many so 5 x 2 = 10 put them together to get 10+5=15