Algebra + addition - practice problems - page 2 of 16
Number of problems found: 309
- Heads and legs 2
There are a number of unspecified numbers of cows and hens in a den. If there are a total of 30 heads and 80 legs in the den, find the number of cows and hens in the den. - The sum 29
The sum of the two numbers is 35.407. If one number is 21.7043, find the other number. - Cupcakes
Keia and Hiro made a total of 27 cupcakes. Keia made 2 times as many cupcakes as Hiro. How many cupcakes did Hiro make? - The AP pattern
The number pattern below starts with 26.407. Subtract 0.325 from the previous term to find the next term.
- Solve 19
Solve equation with fractions: 1/3+what=1/5 - The difference
If the difference between a number and 17.85 is 3.6, what is the number? - Temperature 53
The temperature this afternoon was X. The temperature has fallen 5 degrees and is now 68. What was the temperature this afternoon? - Decimal numbers
When two decimal numbers are multiplied, the answer is 0.072. When the same two decimal numbers are added, the answer is 0.72. What are the two decimal numbers? - Fraction number
If two-thirds of a number is added to one-ninth of the same number, the result is 7. Find the number.
- Evaluate expressions
Which expression equals 12? ... - Two pieces 2
Two pieces of length 12/5 m and 23/9 m are cut from a rope of length 13 m. Find the length of the remaining rope. - AP Formula
Use the Arithmetic Sequence Formula to find the 120th term of this sequence: 3, 6, 9, 12, 15, 18, ... - The sum 32
The sum of three consecutive odd numbers is 33. What are the three consecutive odd numbers? - Five times
Five times a number divided by three is ten. What is the number? a.5 b.6 c.7 d.8
- What is 24
What is the sum of numbers between 20 and 40? - Geometric series
How many terms of the geometric series 8+4+2+1+0.5+... must be taken for the sum to get within 10 to the power minus 4 of its sum to infinity? - Arithmetic progressions.
Find the sum of all the numbers between 9 and 204, which is exactly divisible by 3. - The sum 31
The sum of two fractions is 13 3/4. Their difference is 8 1/5. What are fractions? - The average 12
The average of the first five numbers drawn was 2499. the first four numbers were 4165, 320, 7142, and 64. What was the fifth number?
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