Ratios
There are 8 dogs and 7 cats at the shelter. What is the ratio of cats to dogs?
7 to 8
The sum of a number and 5
n + 5
Solve for x.
3 + x = 15
x = 12
Which number is the base in 32 ?
3
the elevation of sea level
0
There are 3 tomato plants for every 1 zucchini plant. How many tomato plants are there if there are 5 zucchini plants?
15
The product of 3 and a number
3 x n or 3n
Solve for x.
4x = 32
x = 8
Evaluate 42
16
a diver is 15 feet below sea level
-15
The ratio of blueberries to oranges is 10:1. If there are 50 blueberries, how many oranges are there?
5
Evaluate the expression if x = 5
3x -3
12
Solve for x.
x - 9 = 27
x = 36
Evaluate 34
81
A bird was flying 10 feet above sea level then it dove into the water and caught a fish at 3 feet below sea level. How far did the bird dive?
13 feet
The ratio of pears to green apples is 1:3. If there are 150 green apples, how many pears are there?
50
Evaluate the expression if x = 7
3(x + 2)
27
Solve for x.
12/x = 3
x = 4
Evaluate 55
3,125
The temperature dropped 15 degrees from midnight to 6am. If the temperature at 6am was -4 degrees, what was the temperature at midnight?
11 degrees
A bag contains 60 marbles, some blue and some green. The ratio of blue marbles to green ones is 1 : 5. How many blue marbles are there?
10
Evaluate the expression if x = 1/2
x3
1/8
Solve for x.
x2 = 25
x = 5
Evaluate 94
6,561
You had $38 but now you are in debt $78. What is the total change in the amount of money you have?
$116