The answer would be 60, if you add 13,15, and 12 up you get 40. Those numbers would be considered 2/3 of all the marbles. Divide 40 by 2 to get how many marbles is 1/3. You would get 20 being a third if the marbles. Add that to the original 40 and you’ll get a total of 60.
Answer:
20
Step-by-step explanation:
n-50=30
n=-30+50
n+20
Answer:
24 oz bottle of ketchup for $2.19 is the better buy
Step-by-step explanation:
24/2.19=10.96
36/3.79=9.50
10.96>9.50
Answer:
1. the length of the missing side is 45ft
2. the wall paper needed to go around all six wall is 210ft
Step-by-step explanation:
