4. In a farmyard there are only chickens and sheep. There are 13 animals altogether and
between them they have 34 legs. Use simultaneous equations to determine how many
chickens and sheep there are.

5. In mixing a bug spray, a 40% solution of the chemical is mixed with an 85% solution to get
20 litres of a 60% solution. How much of each solution is required?

Question

4. In a farmyard there are only chickens and sheep. There are 13 animals altogether and
between them they have 34 legs. Use simultaneous equations to determine how many
chickens and sheep there are.

5. In mixing a bug spray, a 40% solution of the chemical is mixed with an 85% solution to get
20 litres of a 60% solution. How much of each solution is required?

saifoo.khan · Answer

i did the forth one yesterday as well.

anonymous · Answer

where is it

saifoo.khan · Answer

http://openstudy.com/users/ocuane#/updates/4ed2ded0e4b0bcd98c9c3001

anonymous · Answer

thanks