18 shells because since Mary has 6 and Tina has 3 shells all you have to do is multiply 6 and 3 to get 18
Answer:
They help you see progressions but sometimes graphs can be manipulated to convey specific data and hide others like using methods called cherry picking, changing x and y axis and etc.
1/8 of a quart would equal 1/4 of a pound
Hope this helps :)
The answer to the question in the photo is 21
