1. As part of the oplan balik eskwela, DCMDNHS received 10 online registrations on the first day. the registration increased day by day and formed an arithmetic sequence. if on the 5th day, the last day of the week, the school garnered a total of 90 registrants, determine the arithmetic means of the registration between day 1 and day 5. if the sequence continues with the same pattern, what will be the sum of the registrants in the 10 days?
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Step-by-step explanation:
DI UMANO ISA NANAMANG TAONG NAWAWALAN NG UTAK ANG NATAGPUAN