Sam works as a tutor for an hour and as a waiter for an hour. this month, he worked a combined total of hours at his two jobs. let be the number of hours sam worked as a tutor this month. write an expression for the combined total dollar amount he earned this month.

Step-by-step explanation:

Let be "t" the number of hours Sam worked as a tutor this month and "w" the number of hours Sam worked as a waiter this month.

Then:

1. You know that he earned  $11 per hour working as a tutor . This can be represented with this expression:

2. Since he earned $15 per hour working as a waiter,you can  represented this with this expression:

3. Then, the total amount of money in dollars he earned this month can expressed as:

4. Since  he worked a combined total of hours at his two jobs this month, you know that:

Solving for "w":

5. Substitute ] into the expression , then:

6. Simplifying, you get:

4sqrt5

step-by-step explanation:

the base has dimensions of 8 x 4, so the diagonal is 64 + 16 square rooted or 4sqrt5.