Equations practice problems
An equation is a statement that asserts the equality of two expressions, which are connected by the equals sign =. Solving an equation containing variables consists of determining which values of the variables make the equality true. The variables for which the equation has to be solved are also called unknowns, and the values of the unknowns that satisfy the equality are called solutions of the equation.Number of problems found: 3221
- Problem
Problem Solving: The sum of three consecutive numbers is 93. What is the difference between the largest and the smallest number? - A Piece 6
A Piece of material measures 40 inches. Sara cuts the piece of material in to 2 pieces, one piece measure 14 inches. Write an addition equation that could be used to find the lenght of the other piece of the material. - After 6
After buying half a dozen eggs, 3 cans of sardines, and a pack of milk, Enya received a change of P0.50 from her P200. If the pack of milk costs P105 and a can of sardines cost P16.50, how much is the price of egg? - Tanya
Tanya bought three adult tickets and one children's ticket to a movie for $22.10. Li bought five adult tickets and four children's tickets for $43.60. Find the cost of one adult ticket and the cost of one children's ticket. - Find all
Find all right-angled triangles whose side lengths form an arithmetic sequence. - Score on tests
On the first six tests in his Mathematics subject, his scores were 92, 82, 86, 93, 96 and 91. If he took a seventh test and raised the meanof his scores exactly one point, what is his score on the 7th test? - Henry Henry has scored 72, 67, 82 and 79 on his Algebra tests. Use an inequality to find the scores he must take on the final exam to pass the course with an average of 77 or higher, given that the final exam counts as two test.
- Jen and Steve
Jen and Steve plan to read a series of a famous book. Jen ahs already read 10 books and will continue to read 3 books per week. Steve, who hasn't started reading the series yet, will read 4 books per week. How long will it take for steve to be reading the - Five friends
Five friends ate a 12-slice pizza. Samir ate three times as many slices as Joe. Joe ate half as many slices as Emily. Kendra and Fong together ate half a pizza. Kendra ate one third as many slices as Samir. Fong ate the most slices. What fraction of a piz - Eddie
Eddie and Fran are scuba diving. Eddie is 35 meters below the surface of the water, and Fran is 8 meters directly above him. The following equation describes this situation: -35 + 8 = -27 What does -27 tell us? Choose 1 answer: ... - Dividing money 6
P 49,000 is to be divided among three children X, Y, and Z. If X will receive double that of Y. Y will receive double that of Z, how much will Z will receive? - I bought 2
I bought 2 bottle of alcohol and 2 sanitizer for Php126. How much is a bottle of alcohol, if the costs of alcohol is five times the costs of sanitizer? - Six numbers
The average of 6 numbers is 3.95. the average of two of them is 3.4 while the average of other two is 3.85 . What is the average of remaining two numbers? - Fuel volume
1/2 of a tank is filled with oil when 36 liters are removed, the remaining oil filled 1/10 of the tank . What the fraction of the total is the amount of oil removed? - A sum 4
A sum of money is shared among Jamby, Fritz, and Alvin in the ratio of 5:2:3. If Jamby received Php 35, find the amount of money received by Alvin and the total sum of money shared. - In a museum
There are 250 people in a museum 2/5 of the 250 people are girls. 3/10 of the 250 people are boys. the rest of the 250 people are adults. works out the number of adults at the museum. - Sari-sari store
Ms. Rona bought 25 kg of sugar for her sari-sari store. She then repacked the sugar into ¼ and ½ kg. If Alica packed 30 pcs of ½ kg of sugar, how many ¼ kg of sugar did she packed? - A total A total of 200 cash consists of 1-peso, 5-peso and 10-peso coins, their values being in the ratio of 80: C : 50. Find the ratio (in terms of quantity of coins) of 5-peso coins to 1-peso coins?
- Movie theatre
At the movie theatre, child admission is 5.40, and adult admission is 9.70. On Thursday, the theatre sold 159 tickets for a total sales of 1142.40. How many child tickets were sold that day? - The product 8
The product of five and the difference of triple the number and three is 25. Find the number.
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