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:
C . 5x-3y=-15
Step-by-step explanation:
Answer:
what you arest mine but the other one says no answer what
Step-by-step explanation:
2/3 because you can divide the top and bottom by 8
Answer:
Step-by-step explanation:
let the original price be x
discount is 25%, .25x
discounted price x-.25x=.75x
112.50=.75x
x=150 was the membership selling before the discount