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Jimena drew a triangle with lengths 6, 10 and 11. Carlos drew an equilateral triangle with the same perimeter. What is the length of the sides of the triangle that Carlos drew?
The length is 9.
Sofia has a new book with 239 pages. She plans to read three pages every weekday and five pages every Saturday and Sunday. She is going to start on Sunday. What day of the week will she finish reading the entire book?
After 9 weeks she reads 225 pages finishing on Saturday. 14 pages left, 5 on Sunday 9 left, so it's Wednesday.
Fer, Lu, and Mar, bought a bag of 30 cookies. Each one kept 10 cookies. Fer paid 8 pesos, Lu 5, and Mar 2. If the cookies had been distributed proportionally to the price that each person paid, how many cookies would Fer have received?
Each cookie is 50 cents, so Fer would have received 16 cookies.
A cyclist travels at a speed of 5 meters per second. The wheels of their bicycle have a circumference of 125 cm. In 5 seconds, how many complete turns does the wheel make?
In 5 seconds it travels 2500 cm, so the wheel does 20 complete turns.
Can you write down eight eights so that they add up to one thousand?
888 + 88 + 8 + 8 + 8 = 1000
I am four times older than my son. In 20 years’ time, I will be twice as old as he is. How old are we now?
40 and 10
An apple is 40 cents, a banana is 60 cents, and a grapefruit is 80 cents. How much is a pear?
40 cents. The price of each fruit is calculated by multiplying the number of vowels by 20 cents.
In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?
The person was born in 2005 B.C. Therefore, he was 5 years old in 2000 B.C, 10 in 1995 B.C, and 15 in 1990 B.C.
You want to boil an egg for two minutes but you only have a three-minute hourglass, a four-minute hourglass, and a five-minute hourglass, how can you boil the egg for only two minutes?
Once the water is boiling, turn the three-minute hourglass and five-minute hourglass over. When the three-minute hourglass runs out, put the egg in the boiling
At my party, there are no two women born in the same month, nor are there two men born on the same day of the week. If it came, one more person would break the rule. How many people are in my party?
There 12 women one per month, and 7 men one per day. There are 19 in total.
