Final answer:
To calculate Mikayla's hourly rate, divide the total amount earned by the number of hours worked. Mikayla earned $420 in 5 days, so her hourly rate is $10.50.
Step-by-step explanation:
To calculate Mikayla's hourly rate, we divide the total amount she earned by the number of hours she worked. In this case, Mikayla worked for 5 days. We can assume that she worked the same number of hours each day, so we divide $420 by 5 to find her daily earnings. So, Mikayla earned $84 per day. To find her hourly rate, we divide her daily earnings by the number of hours she worked each day. If we assume she worked 8 hours each day, her hourly rate would be $84 / 8 = $10.50 per hour.