Rob has 31 pounds of chocolates he divides it into 5 equal portions .how much does each portion weigh? a. 31 ib
b. 5 ib
c. 18 ib
b. 9 ib​

Will mark the brainliest.paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?