Erin earns $7.50 for each hour she works. Rita earns $9.00 for each hour she works.
The table shows the amounts that Erin and Rita earn for working 1 to 6 hours.

Hours Erin Rita
1 $7.50 $9.00
2 $15.00 $18.00
3 $22.50 $27.00
4 $30.00 $36.00
5 $37.50 $45.00
6 $45.00 $54.00

How will their total earnings compare for a 40-hour workweek

Total earnings of Rita($360) is greater then that of Erin($300) .

Step-by-step explanation:

Here we have , Erin earns $7.50 for each hour she works. Rita earns $9.00 for each hour she works. The table shows the amounts that Erin and Rita earn for working 1 to 6 hours.

Hours    Erin                      Rita

1            $7.50                  $9.00

2           $15.00=7.50(2)   $18.00 =9(2)

3           $22.50=7.50(3)   $27.00 =9(3)

4           $30.00=7.50(4)    $36.00  =9(4)

5           $37.50=7.50(5)    $45.00  =9(5)

6           $45.00=7.50(6)    $54.00  =9(6)

From the tale we can clearly see that , General formula for Erin working hours is :

⇒ where n is number of hours worked And ,

General formula for Rita working hours is :

⇒ where n is number of hours worked

So , for 40 hours work total earnings of Erin & Rita is and   respectively. Therefore ,  Total earnings of Rita($360) is greater then that of Erin($300) .

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step-by-step explanation: