A solid box with height 90cm, width 60cm and length 30cm needs to be painted. The paint costs £0.03 per cm2.
How much will it cost to paint the box?

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Factor and solve to find roots x squared -x - 90 =0