Algebra
3x = 14-5
3
Algebra word problems:
If you roll two fair six-sided dice, what is the probability of getting a sum of 7?
6/36 or 1/6
A dice is tossed, what is the probability of the result being odd?
3/6 or 1/2
A cuboid has length 7, width 8 and height 5. What is the volume of the cuboid?
280 cm^3
A man is 8 times older than his son and his son is 28 years younger than him. How old is the man?
32
7x-4=8x+9
-13
The sum of 2 odd numbers with a difference less than 3 is 24. What are the numbers?
11, 13
A dice is being tossed, what is the probability of the result being less than 5?
4/6 or 2/3
Each angle of a wooden cuboid was sawed off. How many faces does the created shape have?
8
For 300 rubles 5 meters of fabric was bought, the first type of fabric costs 51 rubles per metre and the second one costs 66 rubles per metre. How many metres of each type of fabric was bought?
2 metres of the first type and 3 metres of the second type
x/2 + 2 = 12
20
A manufacturer has a quality control process that catches 85% of product defects. What is the amount of defective products out of 10000 total produced.
8500
A jar contains 50 marbles: 20 are red, 15 are blue, and 15 are green. What is the probability of selecting a blue or green marble?
0.6
A cuboid has a length of 20, height of 40 and width of 60. What is its surface area?
5600
In a farm there are sheeps and chickens, how many animals of each type are there if in total they have 19 heads and 46 legs?
15 chickens and 4 sheep
0.1x + 0.5x = 2.2x - 4
0.4
In a survey, 60% of respondents said they would attend a school event. If 120 people were surveyed, how many would attend the event?
72
If you have a bag with 8 marbles, 3 of which are red and 5 are blue, what is the probability of drawing a red marble, then drawing another red marble?
6/56 or 3/28
How many sides does a tetrahedron have?
4
Ten cats and dogs ate 56 galettes, each dog ate 6 galettes and each cat ate 5. Exactly how many dogs and how many cats there are?
6 dogs and 4 cats
x^2=9
3
In an exam, 3 marks are awarded for every correct answer and 2 is subtracted for every wrong answer. If Matt answers 20 questions and gets 50 marks, what is the correct answer?
18 correct, 2 wrong
If 2 coins are tossed what is the probability of getting Tails and Heads?
2/4 or 1/2
If a prism's base's base is equal to 8, the height of the base of the prism is equal to 6, and the base is a equilateral triangle, and the height of the prism is equal to 12. What is the surface area of the prism?
288
Divide the number 480 in three parts in such a way that the first part is more than the third by 40 and the second part is more than the third by 80
part 1: 160, part 2: 200, part 3: 120