Which expression correctly represents "twice the sum of four and a numbe

2( 4+n)

Step-by-step explanation:

Let n be the number  ( it could be any letter)

We need to find the sum of 4 and a number

4+n

Now multiply that by 2

2( 4+n)

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.