X= 1,-3 If you factor equation you get x-1=0 and x+3=0
24. I think you can arrange them 24 ways
In order to make back the money they spent ($1,137.50) plus $1500, they want to make

$2,637.50 total.
They want to make this amount by selling 350 agendas, so divide the amount they want to make by 350 to find the amount per book:

I rounded the answer to the nearest hundredth because the hundredth is the smallest amount we have in USD (the penny.)
So they need to charge at least $7.54 to make back their money plus $1500.
Hope I helped, and let me know if you have any questions :)
4/5 is a fraction equivalent to 32/40. This is in simplest form.
Another fraction that is equivalent to 32/40 is 16/20.
Here you go, hope this kinda helps you out :)