MATH IN CARBONERAS, PART II

MATH IN CARBONERAS.
PART II: POWERS, ROOTS AND DIVISIBILITY.

Problem 1:
The builders of the square think they are going to use 125 square tiles and each tile measures 40 cm on a side. If in reality there are 10 tiles left over, how large is the plot?

Problem 2:
In the Andalusian park 4² boys and girls have gone today.

a) How many boys and girls have gone today?
b) If there are 10 attractions. Are there more boys and girls than attractions?
c) How long should each boy and girl be so that everyone can get mounted?

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Problem 3:
The castle of my town has a square shape, its side measures 30 meters. How much will your area measure?

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Problem 4:
At Veros kiosk in Carboneras, an order for 3 boxes of sweets has arrived: in the 1st box there are 23 licorices, in the 2nd box there are 62 melon gums, and in the 3rd box there are 25 bags of popcorn. They have made a mistake and Vero returns half of the content that is in the box of sweets. How many sweets does she have in total?

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Problem 5:
In Carboneras there are 24 squared of Phoenix Dactylifera palms, 26 squared of Whasingtonia , 9 squared of Canary palms and 7 squared of others . How many palm tres are there in all?

Problem 6:
If a tourist bus passes every 9 days through the Paseo Marítimo and every 12 days through the Llano de Don Antonio, at 2 in the afternoon in both places. How often do the days coincide in wich the bus cannot visit both places?

Problem 7:
Three lighthouses turn on every 12 seconds, every 18 seconds and for a third time every minute, each one.
At 6:30 h in the afternoon, the three of them coincide.
Calculate the hour they coincide the next time.