Q: How many people and flies in the room if there are 13 heads and 46 legs?

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7 cows and 11 chickens. Cows have 4 legs. Chickens have 2 legs. (4 legs)(7 cows) + (2 legs)(11 chickens) = 50 legs. 7 cow heads = 11 chicken heads = 18 heads.

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On a farm there are chickens and three-legged-cows. There are total of 49 heads and 130 legs. How many chickens are on the farm?

This is very easy. You just need to draw 25 heads, give each head 2 legs and then add 2 legs to as many as possible until you run out of legs. The answers; There are 7 dogs and 18 children.

Suppose there are x chickens and y cows Then heads => x + y = 64 And Legs => 2x + 3y = 147 2*Heads: 2x +2y = 128 Subtract from Legs: 19 = y Substitute in Heads: x = 45 Answer: 45 chickens.

A fly has 6 legs, so 6 x 327 = 1962.

dragonflies have 100 antennae. 16 legs and 8 heads

15 Ducks

Flies, like all insects, have six legs and two sets of wings.

A horse fly has approximately 6 legs on their body. Horse flies are larger than other species of flies.

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