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Mathematics, 17.02.2021 20:50 uniqueray33
1) Mme L. a installé un récupérateur d'eau de pluie cylindrique le 10 janvier
2020 pour arroser son jardin alimenter ses toilettes et sa machine à laver.
Son toit en pente recouvert de tuiles lui permet de récupérer 80 % de l'eau
de pluie. Elle a ainsi pu collecter 88 000 L d'eau à la fin de l'année.
Dans sa commune, elle paie 3,15 € le mètre cube d'eau.
a) Mme L. a-t-elle rentabilisé son installation à la fin de l'année ?
b) Combien de fois sa collecte lui a-t-elle permis de remplir sa cuve ?
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Answers: 1
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1) Mme L. a installé un récupérateur d'eau de pluie cylindrique le 10 janvier
2020 pour arroser s...
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