This problem is stating that every fifty times you flip a coin you get 23 heads. Finding the fraction is simple, it would be 23/50 because it is expressing the probability. The problem clearly states that every 50 times you get 23 heads. To find the decimal, take the fraction, 23/50, and multiply the numerator and denominator by 2. you get 46/100 which is 0.46. A percent is just a fraction out of a 100 which would make the percent 46.
2/3= 0.6667 which you can figure out by 2÷3 3/4= 0.75 which you can figure out by 3÷4 because 0.75 is greater than 0.6667 she has enough to make the cake.
