It's closed under addition. You can take any two natural numbers you want, add them up and you'll get some other natural number (eg: 3 and 5 ---> 3+5 = 8)
it's not closed under subtraction. Sure 5-3 = 2 is a natural number but 3-5 = -2 is not a natural number
so that leads us to the answer being choice B
Answer:
$7.96
Step-by-step explanation:
The equation 9.95/5=x would give you the price of one pound of grapes.
So, now that you have x, you would find out how much it costs if you bought 4 pounds.
4*x=7.96
(x = 1.99)
Answer:
what
Step-by-step explanation:
4 out of 10 odds cause if you break 40 percent and 100 precent down on a out of 10 scale its 4 out of 10
