| 15144 | If I'm 4 times older than Billy currently, and Billy is 4… | Easy | GSM8K | |
| 15618 | How long is it before Kayla can reach the minimum age of… | Easy | GSM8K | |
| 15686 | In 10 years, Cornelia will be three times as old as Kilee | Easy | GSM8K | |
| 15702 | Alvin is 30 years old and Simon is 5 years away from… | Easy | GSM8K | |
| 15948 | Karina was born in 1970 and she is currently twice as old… | Easy | GSM8K | |
| 16032 | Sam and Drew have a combined age of 54 | Easy | GSM8K | |
| 16149 | Lara was 9 years old 7 years ago | Easy | GSM8K | |
| 16180 | Diane shows Sarah a game that deciphers at what age she will… | Easy | GSM8K | |
| 16241 | Leonard is 4 years younger than Nina who is half as old… | Easy | GSM8K | |
| 16460 | Juliet is 3 years older than her sister Maggie but 2 years… | Easy | GSM8K | |
| 16485 | Gabriel is 3 years younger than Frank | Easy | GSM8K | |
| 16486 | My age is five times that of my son | Easy | GSM8K | |
| 16533 | The difference in age between Declan's elder son and younger son is… | Easy | GSM8K | |
| 16535 | Ral is twice as old as Suri | Easy | GSM8K | |
| 16607 | Ali turned 8 years old this year, and is now 3 years… | Easy | GSM8K | |
| 16900 | The total for the sum and product of Elvie's age and Arielle's… | Easy | GSM8K | |
| 17016 | Cassidy collects movie posters from newly released sci-fi movies | Easy | GSM8K | |
| 17208 | If the first skyscraper was built 100 years ago, how many years… | Easy | GSM8K | |
| 17363 | The sum of the ages of three boys is 29 | Easy | GSM8K | |
| 17382 | Jessica was half her mother's age when her mother died | Easy | GSM8K | |
| 17385 | In twenty years, Ramon will be twice as old as Loui today | Easy | GSM8K | |
| 17390 | Teresa is 59 and her husband Morio is 71 years old | Easy | GSM8K | |
| 17391 | Today is my birthday and I'm three times older than I was… | Easy | GSM8K | |
| 17495 | Raymond and Samantha are cousins | Easy | GSM8K | |
| 17759 | If Ann is 9 years old and her brother is twice her… | Easy | GSM8K | |
| 17834 | Carver just turned 45 years old, which makes him 5 years less… | Easy | GSM8K | |
| 17970 | Brett is 14 years old | Easy | GSM8K | |
| 18010 | Chenny is 10 years old | Easy | GSM8K | |
| 18069 | Jerry is twice as old as he was 5 years ago | Easy | GSM8K | |
| 18097 | Charmaine will be 16 years old in 12 years | Easy | GSM8K | |
| 18329 | I am three years younger than my brother, and I am 2… | Easy | GSM8K | |
| 18355 | In 10 years, Melanie will be 18 years old | Easy | GSM8K | |
| 18405 | The combined age of Peter, Paul and Jean is 100 years old | Easy | GSM8K | |
| 18423 | Marcus is half of Leo’s age and five years younger than Deanna | Easy | GSM8K | |
| 18431 | Shawna's father is five times as old as Shawna | Easy | GSM8K | |
| 18465 | Comet Halley orbits the sun every 75 years | Easy | GSM8K | |
| 18572 | Jeff is 10 years older than his younger sister, Martha | Easy | GSM8K | |
| 18636 | Geb is 10 less than half the age of Haley | Easy | GSM8K | |
| 18720 | Ara joined the school basketball team four years ago | Easy | GSM8K | |
| 111963 | Solve Simple Interest Applications · Example 1 | Easy | OpenStax | |
| 111966 | Solve Simple Interest Applications · Example 2 | Easy | OpenStax | |
| 111969 | Solve Simple Interest Applications · Example 3 | Easy | OpenStax | |
| 111972 | Solve Simple Interest Applications · Example 4 | Easy | OpenStax | |
| 111975 | Solve Simple Interest Applications · Example 5 | Easy | OpenStax | |
| 111978 | Solve Simple Interest Applications · Example 6 | Easy | OpenStax | |
| 111981 | Solve Simple Interest Applications · Example 7 | Easy | OpenStax | |
| 113435 | Solve Money Applications · Example 5 | Easy | OpenStax | |
| 113513 | Use Properties of Rectangles, Triangles, and Trapezoids · Example 1 | Easy | OpenStax | |
| 113743 | Solve a Formula for a Specific Variable · Example 2 | Easy | OpenStax | |
| 113791 | Solve a Formula for a Specific Variable · Exercise 25 | Easy | OpenStax | |