There are 18 animals. Some cows and some ducks with a total of 60 legs. How many cows and how many ducks?
1 answer:
X + Y = 18
X=chickens, Y=Cows
2x + 4y = 60
Let's try 8 and 10.
16 + 40=56, no, 32+20=52, no. 8&10 do not work.
Let's try 9 and 9.
18+36=54, no. 9&9 do not work.
Let's try 11 & 7.
22+28=50, no. 14+44=58, no.
Let's try 12 & 6.
24+24=48, no. 12+48=60 YES!
There are 12 cows and 6 chickens.
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Answer:
$12,5
Step-by-step explanation:
50/4=12,5$
brainliest pls
Combine like terms then you have your answers
To find the decreased percentage,here's what we can do:
In this case,the eqaution would be:
Hope it helps!
Answer:
you have to add all of them up it will get you some of your awner
Answer:
4
Step-by-step explanation:
there is no quantity for g and 4 is all that is left
