Solve for x? 9(x+1)=9x+1
a. 0
b. no solution
c. 1
d. all real numbers.

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.