Final answer:
To estimate Erin's income this year, the amount she earned last year ($1,497.75) is multiplied by the factor 2.9. A rounding process is applied for ease of calculation, leading to an estimate of $4,350.
Step-by-step explanation:
To estimate how much Erin earned this year, we can use the amount she earned last year and multiply it by 2.9. Since Erin earned $1,497.75 last year, her earnings this year would be approximately:
Erin's Earnings This Year = Last Year's Earnings × 2.9
Erin's Earnings This Year = $1,497.75 × 2.9
We can round last year's earnings to $1,500 for easier calculation, then:
Estimated Earnings This Year = $1,500 × 2.9 = $4,350
Therefore, a reasonable estimate for Erin's earnings this year would be $4,350.