Write the expression

divide the sum of four fifths into equal parts​

use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.

1. 22

2. 1

3. 7

4. 18

step-by-step explanation

e2020 got it right

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.