Algebraic Expressions
Simplify 10b + 13 - 6b
4b + 13
Simplify 2/5 + 2/5
4/5
5 + -3
2
Write the ratio 12:16 in simplest form.
3:4
x + 7 = 12
x = 5
Simplify 5(2x + 4)
10x + 20
Simplify 1/3 + 3/4
1 1/12
-4 * 6
-24
If the ratio of cats to dogs is 3:5, what is the equivalent ratio if there are 15 dogs?
9 cats (ratio is 9:15)
-3y ≥ 15
y ≤ -5
Simplify 9m - 7m + 2m
4m
Simplify 0.84 + 1.3
2.14
-5 - - 8
3
Solve for x: 4/9 = x/27
x = 12
3h - 4 = 11
Simplify 15k + 8(11 - k)
7k + 88
Simplify 21/3 - 1/2
3 + -2 * 5
-7
A recipe uses sugar and flour in the ratio 2:5. If you have 20 cups of flour, how many cups of sugar do you need?
8 cups of sugar
2x + 5 < 11
x < 3
Simplify 6g - 4(2g - 4) + 9
-2g + 25
Simplify 3/8 divided by 1/4
3/2
(-12 + 6) ÷ -3 * 2
1
In a school, the ratio of sixth to seventh graders is 5:7. If there are 240 students in total, how many are sixth graders and how many are seventh graders?
100 sixth graders and 140 seventh graders
2(x - 3) + 5 = 15
x = 8