The answer is B) Two times the sum of a number and two. That would be completely different that twice a number plus two.
Hope this helps!
Mike ($3.75): x
Friends ($3.75): 3x
Mike + Friends ≤ 25
3.75(x) + 3.75(3x) ≤ 25
3.75x + 11.25x ≤ 25
15x ≤ 25
≤ 
x ≤ 1
Answer: they can rent the paddleboards for 1 hour 40 minutes
Hello!
Let's write this as an equation below.
3x+4=16
We subtract 4 from both sides.
3x=12
Divide both sides by 3
x=4
I hope this helps!