Half of your baseball card collection got wet and was ruined. You bought 8 cards to replace some that were lost. How many did you begin with if you now have 22?
What is c/2 + 8 = 22 where c = # began with
200
7 + m/-4 = -9
What is m = 64?
200
Graph: a ≤ -6
Closed dot at -6 and everything shaded to the left
200
-5 ≥ -4 + n/9
What is -9 ≥ n?
200
Sumalee sold half of her comic books and then bought four more. She now has 27. With how many did she begin?
What is c/2 + 4 = 27 where c = # comic books she began with
300
10 - 8r = -38
What is r = 6?
300
Graph: n ≥ 3
Closed dot at 3 and everything shaded to the right
300
13 < -r - 5
What is -18 > r?
300
162 students went on a field trip. Three buses were filled and 12 students traveled in cars. How many students were in each bus?
What is 3x + 12 = 162 where x = # students per bus
400
-5 + x/2 = -8
What is x = -6?
400
Graph: 0 < x
Open dot at 0 and everything to the right shaded
400
-15 ≤ x/-4 - 9
What is 24 ≥ x?
400
How old am I if 400 reduced by 2 times my age is 200?
What is 400 - 2a = 200 where a = age
500
-5/6 = -2½ - 5/3n
What is -1 = n?
500
Graph: -13 ≤ x
Closed dot at -13 and everything to the right shaded
500
-0.6 + a/-2.5 ≥ -1.96
What is a ≤ 3.4?
500
For a field trip 15 students rode in cars and the rest filled five buses. How many students were in each bus if 285 students were on the trip?
What is 15 + 5b = 285 where b = # students on each bus