A drove of sheep and chickens have a total of 99 heads and feet. There are twice as many chickens as sheep. How many of each are there?
11 sheep & 22 chickens
Sheep- head= x, feet= 4x Chicken- head= y, feet= 2y y=2x x+y+4x+2y=99 --> 5x+3y=99 --> 5x+3*2x=99 --> 11x=99 --> x=11 Sheep-11 Chiken -22
There are twice as many chickens as there are dogs and there are twice as many spiders as chickens. If altogether there are 680 legs then how many dogs are there?
In a stable there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable?
In a party of 35 people there are twice as many women as children and twice as many children as men. How many of each are there?