J = d + 7 The variable d represents the number of days spent making jam, and the variable ;
represents the amount of jam jarred. How many days does Destiny need to spend making
jam if she wants to jar 9 liters of jam in all?

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.