# Math - Averages

posted by .

Six dogs have an average(arithmetic mean) weight of 55 pounds. If the heaviest dog weighs 100 pounds, the lightest dog weighs 5 pounds, and the second-lightest dog weighs 30 pounds, what is the average weight of the other 3 dogs in pounds?

• Math - Averages -

6 * 55 = 330

330 - 135 = 195

Find the average of the 3 dogs.

• Math - Averages -

Anna weighs 54 pounds. Peter weighs x pounds. Write an expression for their combined weight.

## Similar Questions

1. ### average math

TRUNK AND TAILS bella the dog weighs 72 pounds. that's ABOUT 8628 pounds less than tarra weighs. how much does tarra weigh?
2. ### statistics

Suppose that large dogs weights are normally distributed with a mean of 100 pounds and a standard deviation of 10 pounds. If one of these dogs is picked random: a) what is the probability that the dog will weigh over 110 pounds?
3. ### Algebra

The dosage in milligrams D of a heartworm prevention for dog who weighs x pounds is given by D(x)=136/25x. What is proper dose for dog that weighs 29 pounds?
4. ### Math

Clark's dog weighs 30 pounds. Matt's dog weighs 450 ounces. Whos dog weighs more?
5. ### math

Population of dogs mean rate 26 pounds and a deviation of 3.6 pounds, Population of cats mean rate 10.5 and a deviation of 1.9 if a dog weights 24 pounds and a cat weights 19 pounds. which weighs more for its population?
6. ### STAT

The weights of the 100 students in an introductory statistics class are normally distributed, with a mean of 170 pounds and a standard deviation of 5 pounds. 1)How many students would you expect to have weight between 162 pounds and …
7. ### STAT

The weights of the 100 students in an introductory statistics class are normally distributed, with a mean of 170 pounds and a standard deviation of 5 pounds. How many students would you expect to have weight between 162 pounds and …
8. ### math

John dog weighs 13 pounds. Lois dog weighs 12 pounds more than John dog.How much does Lois dog weighs?
9. ### Math

Ethan's dog weighs 48 pounds. Noah's dog weighs 5/8 the weight of Ethan's dog. How much does Noah's dog weigh?
10. ### Math

Altogether, Haille's dog statue collection weighs 20 pounds. One statue weighs 8 pounds and the rest each weigh half as much. How many dog statues does Haille have?

More Similar Questions