PROYECTO DE MATEMÁTICAS 1. NATURAL NUMBERS.

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PROBLEM 4: In Carboneras all Thursdays , 50 stalls open , 14 are for food , 15 for clothes and 16 to decorate. The rest are for selling toys. How many toy stalls are there?

PROBLEM 6: The lightning tower has 30 steps, if you climb24 steps and down 8. What step number are you staying at?&nbsp;

PROBLEM 3: &nbsp;If I visit the Torre del Rayo and it is 10 metres high, how high is half of it? If the tower were triple, how big would it be?

PROBLEM 1&nbsp; The castle of San Andres was reformed in 2013. For their reformed they bought 4 trucks with 2 boxes of 120 stones each one. How many stones did they buy? If they used 844 stones, how many stones are lefts ?&nbsp;

PROBLEM 8: In the student body of 1º CSE at Juan Goytisolo Secundary School, there are 100 students. How many classes are divided so that They are all in equal classes of 21 to 26 children?

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MATH IN CARBONERAS. PART I: Natural numbers.

Problem 9: There is 800 L of water in a tank. From the upper part a tube pours 25 L per minute into the tank, and from the lower part 30 L per minute come out through another tube. How many liters of water will be in the tank after 15 minutes of operation?

PROBLEM 7: The Torre del Rayo&nbsp;&nbsp;is 30 years older than the castle. The castle is 70 years younger than Llano de Don Antonio, which is 150 years older than the lighthouse. The lighthouse is twice the age of the Los Muertos beach, wich&nbsp;&nbsp;has the average age between Glorieta and Juan Goytisolo High school , wich are 120 years old and 40 years old respectively. How old is the Torre del Rayo?

Problem 2: In the cemetary of Carboneras, there are 1200 niches. 300 of them, are occupied by people who have died in this century. 25 niches are empty. How many niches are occupied by people who died in other centuries?

PROBLEM 5: &nbsp; &nbsp;&nbsp;&nbsp;If I am visiting the torre del rayo and the tower measures 10M (approximate) how long is the half?

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