Please help me. I can't find this out

To prove p is equal to q using an indirect proof what would your starting assumption be?

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

What is the solution to the equation in the & show work i’m very