Solving Multi-Step Equations
Multi-Step Equations with Fractions/Decimals
Solving Two-Step Inequalities
Transforming Formulas
Simple & Compound Interest
100
Solve for the variable:
10 - 5x = 15
x = -1
100
Solve for the variable:
8-t/2=53
t = -90
100
Solve and graph for the variable:
3x + 18 > 12
x > -2
100
Transform the formula to solve for the variable: p
s = p + c
p = s - c
100
Find the simple interest and the new balance:
$450 deposit at 2% interest rate, for 4 years
Simple Interest: $36
Balance: $486
200
Solve for the variable: 5 - 2 ( y - 5 ) = 27
y = -6
200
Solve for the variable:
0.05x - 0.08 + x = 0.97
x = 1
200
Solve and graph for the variable:
19-3x>=-2
x<=7
200
Transform the formula to solve for the variable: y
x + y = 180
y = 180 - x
200
Find the simple interest and the new balance:
$3000 deposit, at 3% interest rate, for 30 months
Simple Interest: $225
Balance: $3225
300
Solve for the variable:
62 = -12z + 14
z = -4
300
Solve for the variable:
75 =m/3+10
m = 195
300
Solve and graph for the variable:
-5(a-3)<=45
a>=-6
300
Transform the formula to solve for the variable: a
a - b = c
a = b + c
300
Find the new balance on the following:
$9000 deposit, 6% compounded annually, for 5 years
New Balance: $12,044.03
400
Create the equation and solve for the variable:
negative three times a variable n plus four equals two.
-3n + 4 = 2
n = 2/3
400
Solve for the variable:
3/5p+18=24
p = 10
400
Solve and graph for the variable:
1/2(t-6)<=22
t<=50
400
Transform the formula to solve for the variable: p
I = prt
p = I/(rt)
400
Find the new balance on the following:
$12,000 deposit, 3% compounded semi-annually, for 8 years
New Balance: $15,227.83
500
Dan has $265 in his checking account. He spent $60 and deposits d each week for 5 weeks. His final balance is $330. How much did he deposit each week? Write and solve an equation.
265 - 60 + 5d = 330
d = $25
500
A rental car company charges $20 per day plus $0.15 per mile. The bill for two days was $49.75. How many miles did the customer drive, write and solve an equation.
20(2) + 0.15m = 49.75
m=65
500
A student received grades of 75, 90, and 83 on three math tests. What grade does the student need on the fourth test to have an average of at least 85? write and solve an inequality.
(75+90+83+x)/4>=85; x>=92
500
A runner signed up for a 10-mile race. How long will it take the runner to complete the race if he runs at a rate of 8 miles/hour. Use d=rt to solve.
d = rt
10=8t
t=1 hour & 15 minutes
500
Ms. Simpson takes out a $1200 loan that charges 8% interest compounded semi-annually. Suppose she makes no payments on the loan for 6 years. What would her balance be at the end of the 6 years?
Balance: $1921.24