Question

mim ajudem pfv 4 questão

Answer 1

4
a
1 kg = 1000 gramas  = 12,00
1/4 de 1000 g = 1000 /4 = 250 gramas ***** ( a)
1000 gramas ........................12,00
250 g ...................................x
x = ( 250 * 12 )/1000
x =3000/1000 = 3,00 *** ( a)
b
750 g/1000g = 750/1000 = 3/4 kg *** ( b)
1000 g ......................12,00
750 g ....................... x
x = ( 12 * 750)/1000
x = 9000/1000
x = 9,00**** ( b )

c
2 kg 1/2  ou 2,5 kg   = 
1 kg = 1000 gramas
2,5 * 1000 = 2500 gramas   ( c )

1000 gramas ......................12,00
2500 g .................................x

x = ( 2500 * 12 )/1000
x = 30.000/1000
x = 30,00 ***** ( c )