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MATH / What is the average of integers a, b and c if the average of the two numbers a and 2b is 7 and the average of the two numbers a and 2c is 8?

Problem

Answer published by the source. Consult the official source to check your work against its answer.

problem

What is the average of integers

a

b

and

c

if the average of the two numbers

a

and

2b

is 7 and the average of the two numbers

a

and

2c

is 8?

Plain-text mathematical notation (without MathML)

What is the average of integers a, b and c if the average of the two numbers a and 2b is 7 and the average of the two numbers a and 2c is 8?

Original LaTeX notation

What is the average of integers $a$, $b$ and $c$ if the average of the two numbers $a$ and $2b$ is 7 and the average of the two numbers $a$ and $2c$ is 8?

level

Level 4

type

Algebra

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Source and history

task_id: 73dd0d41-5685-5b6d-92bb-ce3eb054d60c
task_key: algebra--test--73dd0d41-5685-5b6d-92bb-ce3eb054d60c
task_revision_id: 2
config / split: algebra / test

Official source

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