1. If each side of the cube is increased by 1%,
what is the
side-length of the new cube?
2. Find the volume of the:
a. original cube
b. new cube
3. Find the increase in volume.
4. By what percent has the volume of the cube
increased?
Express your answer to the nearest
one-hundredth of a percent.
Problem 12.2 An Estate
A $33,000 estate is divided between 5 children and a great uncle.
The children receive equal shares and the great uncle receives a one-half
share. How much money does each child receive?
Problem 12.3 Number of Votes
The winning candidate for a local council mayor position received 5%
more votes than her opponent. If there were 82,000 votes cast, by
how many votes did she win?
Problem 12.4 A Clothing Store
A clothing store stocked 350 trousers. During January it sold 30%
of the trousers. In February it sold 40% of the remaining
trousers. How many trousers were left at the end of February?
Problem 12.5 To Earn Enough
Jodie is paid $90 for a 6 hour workday. How many minutes must she
work to earn enough to purchase a $10 book?
Problem 12.6 Two Players
Two players hired a car for $189 a week. One player used the car
for 2 days and the other player used it for 5 days. How much should
each player pay?
Problem 12.7 Salesman
Sally's dad is a salesman. He receives a salary of $210 a week
plus 1.4% of his sales. If his total sales for a week were $3500,
how much money did he earn for that week?
