Answer: 25%
Step-by-step explanation: So, I think we know it's 50% chance to get heads or tails. But what's the chance of getting heads two times in a row....let's see...

Let's turn
into a decimal...
1 ÷ 4 = 0.25
0.25 * 100 = 25
= 25%
Thus, you have a 25% to get heads two times in a row...I hope this helps!