19,200$
Sabemos que gana 80$ a la hora. Podríamos escribirlo como 80h (h representa las horas que trabaja)
Trabaja 12 horas por día y 5 días a la semana. Eso sería 60 horas a la semana. En un mes hay 4 semanas entonces si trabaja 60 horas a la semana, en 4 semanas trabaja 240 horas. En un mes trabaja 240 horas. 80h donde h=240. 80(240)= 19,200
Answer to the expression : -9n - 54
Answer:
Human population, now over 7 billion, cannot continue to grow indefinitely. There are limits to the life-sustaining resources earth can provide us. In other words, there is a carrying capacity for human life on our planet. Carrying capacity is the maximum number of a species an environment can support indefinitely.
It is projected that the world's population will continue to grow and will reach nearly 10 billion by 2050. While in other regions growth will slow significantly, in Sub-Saharan Africa, the population is projected to double by 2050, an expansion of nearly 10 times relative to 1960, from 227 million to 2.2 billion.
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