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Solving Equations
Proportions
Literal Equations
Conversions
Percents
100

This is the solution to 

n + 5(n - 1) = 7

What is 2?

100

This is the solution for 

-9/b = 5/6

What is -10.8?

100

This is 2y + 7x = 4, solved for y.

What is (-7x+4)/2 ?

100

168 hours equals this many days.

What is 7?

100
This number is 63% of 150.
What is 94.5?
200

This is the solution to 

9t - 6 - 6t = 6

What is 4?

200

This is the solution for 

(a-2)/9 = 2/3

What is 8?

200

This is

x/a = y/b

, solved for x.

What is ay/b ?

200

2.5 lbs. equals this many ounces.

What is 40?

200
88 is this percent of 88.
What is 100%?
300

This is the solution to 

n/5 - {3n}/10 = 1/5


What is -2?

300

This is the solution for 

(x+2)/5 = (2x-11)/7

What is 23?

300

This is A = Bxt + C, solved for x,

What is (A-C)/Bt ?

300
4 hours equals this many seconds.
What is 14,400?
300
20% of this number is 80.
What is 400?
400

This is the solution to 

1.06g - 3 = 0.71

What is 3.5?

400

5 lbs. of pasta salad will serve 14 people. This many pounds of pasta salad should be made to feed 49 people.

What is 17.5 lbs.?

400

This is mx + nx = p, solved for x.

What is

p/(m+n)

 ?

400
An animal that runs 60 ft/sec runs this many yards per minute.
What is 1200?
400
A tennis racket normally costs $65, but is on sale for 20% off. This is the sale price of the racket.
What is $52?
500

This is the solution to 

k - 3k = 6k + 5 - 8k

What is "no solution"?

500

Approximately 3 people out of every 30 are left handed. In a group of 140, you can expect about this many to be left-handed.

What is 14 people?

500

This is 2(x + a) = 4b, solved for a.

What is 2b-x?

500
A swimming pool that holds 5000 gallons fills at a rate of 6 gallons/min. About how many hours will it take to fill the pool to its capacity?
What is 13.9 hours?
500
A furniture store offers a living room set for $990. You can also purchase the set on an installment plan for 24 payments of $45. By the end of the 24 payments, you will have paid this much percent of the original price (to the nearest percent).
What is about 109%?