Question

Which expression represents the phrase "twice the sum of a number and three"?

2+(2n+3)
2(n+3)
2(2n−3)
2n + 3

Answer 1

the answer is b.

Explanation:

it would be b because it says, "twice the number" which means multiply by 2. we are left with 2 answers, b and c. now it says "sum of a number and 3", which sum means addition, adding. therefore, the answer is b.