Solving Literal Equations

Simple Interest

100

You deposit $4400 in an account that earns simple interest. After 12 months, the account earns $242.00 in interest. This is the annual interest rate to the nearest tenth of a percent.

What is 

5.5%

200

You deposit $8100 in an account that earns simple interest. After 12 months, the account earns $388.80 in interest. What is the annual interest rate to the nearest tenth of a percent?

What is 

4.8%

300

You deposit $6900 in an account that earns simple interest. After 48 months, the account earns $1518.00 in interest. This is the annual interest rate to the nearest tenth of a percent.

What is 

5.5%

400

You deposit $4200 in an account that earns simple interest. After 54 months, the account earns $888.30 in interest. This is the annual interest rate to the nearest tenth of a percent.

What is 

4.7%

500

You deposit $1800 in an account that earns simple interest. After 42 months, the account earns $390.60 in interest. This is the annual interest rate to the nearest tenth of a percent.

What is 

6.2%

Solve for y

100

Solve the literal equation for y.

y-4x=8

What is

y=8+4x

200

Solve the literal equation for y.

6x+y=-7

What is

y=-7-6x

300

Solve the literal equation for y.

5=3x+7y

What is

y=(5-3x)/7

400

Solve the literal equation for y.

4=5x+6y

What is

y=(4-5x)/6

500

Solve the literal equation for y.

17x+6=-2y+13x

What is

y=-2x-3

Solve for x

100

Solve the literal equation for x.

-8x+0x=a

What is

x=a/-8

200

Solve the literal equation for x.

-10x-11x=h

What is

x=h/-21

300

Solve the literal equation for x.

b=3x-6hx

What is

b/(3-6h)

400

Solve the literal equation for x.

mx+hx=c

What is

x=c/(m+h)

500

Solve the literal equation for x.

w=hx-mx

What is

x=w/(h-m)

Solve

100

Volume of a rectangular prism:

V=lwh

solve for 

l

What is

l=V/(wh)

200

Area of a triangle:

A=1/2bh

solve for 

h

h=(2A)/b

300

Area of a circle:

A=pir^2

solve for 

r

What is 

r=sqrt(A/pi)

400

Volume of a cone:

V=1/3pir^2h

solve for 

r

What is 

r=sqrt((3V)/pi)

500

P=2(a+b)

solve for 

b

What is 

b=P/2-a

Grab bag

100

Solve the literal equation for y.

4x+y=8

What is 

y=8-4x

200

Solve the equation for y.

4=3x+6y

What is 

y=(4-3x)/6

300

Solve the literal equation for x.

-3x-12x=b

What is

x=b/-15

400

Solve the literal equation for x.

k=4x+3vx

What is

x=k/(4+3v)

500

Solve the literal equation for x.

mx+hx-a=d

What is

x=(d+a)/(m+h)