Final answer:
Kayla's average monthly salary based on her yearly earnings from both jobs is $1,536.83.
Step-by-step explanation:
To calculate Kayla's average monthly salary based on her yearly earnings from babysitting and working at a restaurant, we first need to sum the total yearly earnings. Kayla earns $8,112 from babysitting and $10,330 from the restaurant per year. Therefore, her total yearly earnings are:
$8,112 + $10,330 = $18,442
To find the average monthly salary, we divide the total yearly earnings by 12 months:
$18,442 ÷ 12 = $1,536.83
Therefore, Kayla's average monthly salary based on her yearly earnings is $1,536.83.