Answer:
there is no question
Step-by-step explanation:
Well if there's 18 circles no cap off limit to the squares then you can put any amount of squares from on to infinity here are some ideal ones
18 circles 12squares = 30 shapes
18 circles 8 squares = 26 shapes
18 circles 20 squares = 38 shapes
400 mm would be the answer
7(86) is the best way to write that in using the distributive property
Create an equation where x equals extra messages
15 + .05X = 24.60
.05x = 9.60
x=192
So she sent 192 EXTRA messages. Add this to the original 600 and you get 792 messages