100
200
2 ft
These 2 triangles are similar.Write and solve an equation to findthe length of the side called x
300
X = -22.29
Solve for x. Round your answerto the nearest hundredth.
2(.78 + .04x) = .01x
Solve for v:
-(11 – 2v) = 5(v + 8)
400
v = -17
Solve for y:
500
v = 1/2
A local computer center charges nonmembers $5 per session to use themedia center. If you pay amembership fee of $25, you pay only$3 per session. Write an equationthat can help you decide whether tobecome a member. Then solve theequation.
3x + 25 = 5x; 12.5 sessions
100
If one side of a square isrepresented by 2x + 4. If theperimeter of the square is 56 in,find x.
5
200
The sum of three numbers is 123.The second number is 9 less than twotimes the first number. The thirdnumber is 6 more than three timesthe first number. Find the threenumbers.
21, 33, 69
300
3 pm
400
Two trains are 515 miles apart. At 10AM they start traveling toward eachother at average rates of 48 and 55mph. At what time will they pass eachother?
Mr. Fields spent 6 hours on a trip outinto the country and back. He walkedout at a rate of 4 mph and walkedback at a rate of 2 mph. How far outinto the country did he go?
8 miles
500
Mr. Boyce deposited $170 in his bank. Thenumber of $5 bills was three times thenumber of $10 bills, and the
number of $1 bills was thirty more thanthe number of $5 bills. How many bills ofeach type did he deposit?
5, 15, 45
100
200
A purse contains $4.70in nickels andquarters. There are 30coins in all. Howmany of each kind arethere?
16 quarters and 14 nickels
Find three consecutive even integerswhose sum is -18
-4, -6, -8
300
the greater of two consecutiveeven integers is six less thantwice the smaller find both
8, 10
400
Jane has $2.80 in quarters anddimes. The number of dimes is 7less than the number of quarters.Find the number of each. Usealgebra!
500
Quarters:10 , dimes 3
Solve the formula
S = B + ½ Pl
for l.
l = (2S – 2B)/P
100
Rewrite the equation
4x – 3(y – 2) = 15 + y
So that y is a function ofx.
y = x – 9/4
200
Solve the Formula forArea of a trapezoid
A = ½ h(b1 + b2)
for h.
h = 2A/(b1 + b2)
300
Rewrite the equation
5y – 2(x – 7) = 20
So that x is a function of y.
x = 5/2 y - 3
400
Solve for p:
p + dp = c
p = c / (1 + d)
500
The price of gas is currently$3.59/gal. If price of gaswas $3.90 last year, find thepercent decrease to thenearest 10th of a percent.
7.9% decrease
100
51
200
300
51
A salesperson made $900last week in commission. Ifthey receive a 2.5%commission rate, how muchdid they sell last week?
$36,000
400
Joe paid $36 for a pairof jeans that were onsale for 40% off theoriginal price. What wasthe original cost of thejeans?
$60
500
