Solve for the
indicated variable in questions 1  5:
1. Solve
for p: 


2. Solve
for y: 
xy  d = m


3. Solve
for y: 


4. Solve
for w: 
V = l w h


5. Solve
for w: 
P = 2l
+ 2w


6.
Lightning quickly heats the
air causing it to expand, which produces the sound of thunder. Sound
travels approximately 1 mile in 5 seconds. Knowing D
= rt, how far away is a thunderstorm when you notice a
3second delay between the flash of lightning and the sound of thunder? (D = distance,
r = rate, t =
time)
7.

Your school is ordering computer
equipment. Let c represent the cost of one personal
computer and
p
represent the cost of one printer. 

a.
Write an expression for the total cost
of 15 personal computers and 8 printers.
b. The school discovers that it needs 8 additional
computers and 4 additional
printers. Write an expression for the total cost of this additional
equipment.
c.
Write an expression that will
represent the total amount of money spent on computer equipment.
8. 

Bryan and
Nate are dirt bike racers and are brothers.
Bryan gives his younger brother, Nate, a 60 meter head start
during a practice run. 
After t seconds, Nate is a distance 6t
+ 60 from the starting line and Bryan is a distance of 7t from the starting line.
a.
How
far ahead of Bryan is Nate after t seconds?

b.
Evaluate the answer for part
a
when:

1.) t = 15 


2.) t = 30 


3.) t = 45 

c.
Does
Bryan ever catch up with Nate? If so, after how many seconds?

