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Oxana [17]
3 years ago
11

Michelle went on a hike. She started on the trail at 6:45 a.m and returned at 3:28 p.m. How long did she hike?

Mathematics
2 answers:
Lerok [7]3 years ago
8 0
D. Because if one time is a certain amount of time away from 12pm and the other one is a certain amout away from 12pm then you add them up and get a number of hours and minutes
Dmitrij [34]3 years ago
6 0
Its really simple if u think about it.from 6:45 to 2:45 its 8 hours and from 2:45 to 3:28 its 43 minutes. hope it helped.☺☺
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De acordo com a disponibilidade da unidade, há apenas a seguinte dosagem: 1g/2mL - ou seja, uma grama de dipirona a cada 2mL

O enunciado está meio mal formulado, pois é dito que foram prescritos 500mg de dipirona e é essa quantidade de farmaco que a criança tem que tomar. Deseja-se saber quantos mL deverao ser administrados.

Fazendo a classica regra de 3, podemos chegar no volume desejado:

(atentar que 500mg = 0,5g)

     g               mL

     1    ---------   2

    0,5  ---------  X    

1 . X = 0,5 . 2

<h3>X = 1mL</h3>

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The first thing you should do in this case is to write the expression correctly:
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