Answer: $297.21
Step-by-step explanation:
Given : Current earnings per week of Sam = $210
After raise , her earning becomes = $227.80
Raise = $227.80 - $210
= $17.8
Percent raise =[tex]\dfrac{17.8}{210}\times100\%=8.47\%[/tex]
Current earnings per week of Tanya = $274
After raise , her earning becomes = Current earnings + Raise
[tex]=\$(274+\dfrac{8.47}{100}\times274)\\\\=\$297.21[/tex]
Hence, Tanya will earn $297.21