Examples of equations for practice for 12 year olds - page 2 of 59
Number of problems found: 1180
- Train same direction
Find the time taken by a train 170 m long, running at the speed of 83 km/h, to cross another train 180 m running at the speed of 65 km/h in the same direction. - Older or younger
The age of a man after 15 years is 4 times the age of that man 15 years before. Find his present age. - 13 times
1/3 times the sum of a number, and 2.6 is 4.9. What is the number? Enter your answer as a simplified mixed number in the box. - Prealgebra ex Find an unknown number/mixed number N in the given equation: N + 3 1/2 = 6 3/4
- The population 2
If 3/5 of a village's population is 366 persons, what is the village's population? - Unknown var N
Five-eights of a number, N, is 50. What is the value of N? - Muffins 3
Adela went out and bought some muffins. She gave 27 to Jack and 2/7 of the rest to her brother. She is then left with 1/2 of the number of muffins she had before. How many muffins did Adela have at first? - Eq simple
If three times a number is subtracted from 7 times the number, the result is 2. What is the number? - Unknown r
Solve for r. (2)/(3) * r = 5 Write your answer as a fraction or as a whole or mixed number.
- Guadalupe
Guadalupe bought snacks for her team's practice. She bought a bag of chips for $1.93 and a 15-pack of juice bottles for a total cost before tax of $32.83. Write and solve an equation that can be used to determine x, the cost of each bottle of juice. - Two equivalent fractions 2/4= what over 12
- Which 14
Which values of a, b, and c represent the answer in simplest form? 7/9 divided by 4/9 = a StartFraction b Over c EndFraction a = 1, b = 4, c = 3 a = 1, b = 3, c = 4 a = 1, b = 63, c = 36 a = 1, b = 36, c = 63 - Linda
Linda gave her sister 2/5 of her money, spent 1/3, and saved the remainder. If Linda saved $28.00, how much money did she have at first? - Sarah's age 64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44. Write an equation to determine Sarah's age (a).
- Overdraft account
Many bank accounts never go below zero. However, some banks will allow a negative balance, at least for a short time, called an overdraft. It means someone has taken out, or 'drafted', more money than was in the account, to begin with. Hannah's account we - The pole in the mud
4/7 of a pole is in the mud. When 1/3 of it is pulled out, an 8 m long piece of the pole still remains in the mud. What is the full length of the pole? - Elton Elton is n years old now. How old was he 8 years ago? How old will he be 16 years from now? If his age in 16 years time will be four times his age 8 years ago, how old is he now?
- A man 13
A man traveled 7/10 th of his journey by train, half of the remaining by bus, and the remaining 30km by car. Calculate the length of the whole journey. - Which 15 Which two digits need to be interchanged to make the following equation correct? 16+7*2+4-3=12 A) 2 and 4 B) 7 and 4 C) 16 and 2 D) 7 and 3
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