Josh earned $72 less than his sister who earned $93 more than her mom. If they earned a total of $504, how much did josh earn

Landon wrote that 3−2.6=4. which statement about his answer is true?

Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%

Ithink i know it but i want to be sure so can you me out ?