# math

If my dog and cat has a combine weight of 24kg and my rabbit and my dog has a combine weight of 20kg and my cat and rabbit has a combine weight of 10kg.whats the combine weight of my rabbit,dog and cat

1. 👍 0
2. 👎 0
3. 👁 166

1. 👍 0
2. 👎 0
posted by devon
2. Eq1: D + C = 24kg
Eq2: D + R = 20kg
Eq3: C + R = 10kg

Subtract Eq2 from Eq1:
D + C = 24
D + R = 20
Diff: C-R = 4
R = C-4

In Eq3, replace R with C-4:
C + C-4 = 10
2C = 14
C = 7 kg

In Eq1, replace C with 7:
D + 7 = 24
D = 17 kg

R = C-4 = 7-4 = 3 kg

C + D + R = 7 + 17 + 3 = 27 kg.

1. 👍 0
2. 👎 0
posted by Henry

## Similar Questions

1. ### Practical English

8.How could you combine the following two sentences into one compound sentence? The rabbit jumped into the bushes. The dog followed it. A. The dog followed the rabbit when it jumped into the bushes. B. After the rabbit jumped into

asked by Jensen on March 13, 2014
2. ### general

what is the weight of normal rabbit, cat, dog, lion and tiger?

asked by Anonymous on September 17, 2015
3. ### English

How could you combine the following two sentences into one compound sentence? The rabbit jumped into the bushes. The dog followed it. a. After the rabbit jumped into the bushes, the dog followed it. b. The dog and the rabbit

asked by Maya on December 1, 2007
4. ### english

5. How could you combine the following two sentences into one compound sentence? The rabbit jumped into the bushes. The dog followed it. [A. The dog followed the rabbit when it jumped into the bushes.] B. After the rabbit jumped

asked by jake on January 4, 2012
5. ### math story problem

a cat runs 3 times as fast as a rabbit. If a rabbit ran 2m per second and is 12m from the cat, the rabbit will be caught in ______ seconds?

asked by Jon on January 19, 2012
1. ### math

in a group of 100 people, 40 own a cat, 25 own a dog and 15 own a cat and a dog. Find the probability that a person chosen at random a) owns a dog or a cat b) owns a dog or a cat, but not both c)owns a dog, given that he owns a

asked by terry on March 13, 2010
2. ### math

In a group of 100 people 40 own a cat, 25 own a dog and 15 own a cat and a dog. Find the probability that a person selected at random from the group: a) owns a dog or a cat. b) owns a dog or a cat, but not both c) owns a dog,

asked by sabir on February 17, 2013
3. ### math

meg has 20 pet stickers to go on a page 1/4of them are dog stickers 1/2of them are cat stickers the rest are rabbit stickers how many rabbit stickers does she have?

asked by jack on April 22, 2012
4. ### Math

A dog chasing a rabbit, which has a start of 45m, jumps 3m every time the rabbit jumps 2m. In how many leaps does the dog overtake the rabbit? 45?

asked by Rezu on April 26, 2012
5. ### physics

A cat is being chased by a dog. Both are running in a straight line at constant speeds. The cat has a head start of 3.6 m. The dog is running with a speed of 8.9 m/s and catches the cat after 6.9 s. How fast did the cat run?

asked by Alexis on September 24, 2014

More Similar Questions