Answer:
A. 0.7 x 80
Step-by-step explanation:
At the beginning of the month, there is 100% remaining of the peanut butter. 100% = 80 oz. After eating 30%, that's 100%-30%=70%. 70%=0.7
You divide the denominator into the numerator and that will get your answer which is 7.
Step-by-step explanation:
a - b = 10^
Let a and b be X
x + x = 10
2x = 10
x = 5
So firstly, remember that <u>subtracting a negative number is the same as adding a positive number</u> so our expression will look like this:

Now solve as such:

<u>Your answer is -4, or A.</u>