anaaaa46

06.05.2020 • 

Mathematics

Louden County Wildlife Conservancy counts butterflies each year. Data over the last three years regarding four types of
butterflies are shown below. What is the average number of Variegated Fritillaries for all three samples?
2009
Meadow Fritillary
Variegated Fritillary
Zebra Swallowtail
Eastern-Tailed Blue
5
7
33
242
Louden County Butterfly Count
2010
Meadow Fritillary 34
Variegated Fritillary 95
Zebra Swallowtail 21
Eastern-Tailed Blue 168
2011
Meadow Fritillary
Variegated Fritillary
Zebra Swallowtail
Eastern-Tailed Blue
14
63
10
170

A.55

B.83

C.106

D.165

Ответ:

LulPink

11.05.2022

Mathematics

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48=4% loaded on truck and they have 96% left to load
So set up a proportion and it should look like this
48 over x = 4 over 100
48/x=4/100
Do cross multiplication 100×48= 4,800÷ 4 = 1,200 total on truck

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