Find the Rule
2, 6, 18, 54, ...
start with 2 and multiply by 3 repeatedly
13 minus d
13 - d
m + 8 = 15
m = 7
8k = 76
k = 9.5
Will the expression 50 - x get larger, smaller, or stay the same as the value of x increases?
smaller
7, 19, 31, 43, ...
start with 7 and add 12 repeatedly
d more than 50
50 + d
d - 2.16 = 3.9
d = 6.06
25h = 450
h = 18
Dexter plays a game at the school fair. He starts with 0 points. He gets 25 throws. He wins 12 points for hitting the target and loses 8 points for each miss. Dexter ends with a score of 0. How many hits and misses does Dexter have?
10 hits
15 misses
n rule?
2 6
5 9
7 11
n + 4
a times 32
32a
r - 1,078 = 4,562
r = 5,640
k / 20 = 10
k = 200
When burned, 18 gallons of gasoline produce about 360 pounds of carbon dioxide. Solve the equation
18n = 360 to find how much carbon dioxide 1 gallon of gasoline produce.
20 pounds
n rule?
1 12
2 24
3 36
12n
b divided by 3
b / 3
5.6 + x =7
x = 1.4
n / 4 = 0.6
n = 2.4
Zeiger is 2.7 pounds heavier than Ollie. Zeiger weighs 132.4 pounds. How much does Ollie weigh?
129.7 pounds
n rule?
42 7
54 9
72 12
n / 6
7 decreased by b
7 - b
q - 8.2 = 154
q = 162.2
5.6k = 19.152
k = 3.42
Brynn has five times as much money as Eva. Brynn has $83.40. How much money does Eva have?
$16.68