If you add the same number to
each side of an equation, the two sides remain
the same is known as

A. Addtion property of equality

B. Commutative property

C. Associative property

D. Inverse of subtraction

If you add the same number(s) to an equation, it can be Addition property of equality since both are the same numbers. It can aslo be Commutative property only because their almost identical. So that knocks out D and C already.

Step-by-step explanation: So out of all options, A would be your best choice because once again, the numbers are both equal. Hope it helped! :)

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%