The percent chance of it landing on heads is 50% and it landing on tails is 50%
So chances of it landing on heads is 50%
Answer:
Step-by-step explanation:
So, Tanvi started with b buttons.
And she gave away 17.
Since she "gave away," this means that we should use subtraction.
Therefore, she now has b-17 buttons.
Our expression is:
She saved 3/7 because 7/7-4/7 equals 3/7.