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11-10-2014
Mathematics

contestada

Four consecutive multiples of 10 have a sum of 300. What is the least of these numbers?
F.20
G.30
H.40
J.50
K.60

Respuesta :

11-10-2014

60 + 70 + 80 + 90 = 300

K. 60

Answer Link

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11-10-2014

20 + 30 + 40 + 50 = 140 -No

30 + 40 + 50 + 60 = 180 -No

40 + 50 + 60 + 70 = 220 -No

50 + 60 + 70 + 80 = 260 -No

60 + 70 + 80 + 90 = 300 -Yes

Your final answer:
K. 60

Answer Link

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