$\"\"$

Sato communicates with friends for a project.

He has average of $\"\"$ using email, $\"\"$ on the phone, and $\"\"$ in a week.

Find the how many hours he will spend communicating with friends over the next $\"\"$ weeks.

He spent with average time of his friends is sum of the total hours and multiply by total number of weeks.

$\"\"$ (Original equation)

$\"\"$ (Add inside terms)

$\"\"$ (Multiply)

Threfore, Sato will spend $\"\"$ communicating with his friends over the next $\"\"$ weeks.

$\"\"$

Sato will spend $\"\"$ communicating with his friends over the next $\"\"$ weeks.