12 is 40% of what number? (Hint: Divide) * O 24 30 36 O 48
2 answers:
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Answer:
Step-by-step explanation:
common difference d=3-1=2
first term a=1
an=a+(n-1)d
2n-1=1+(l-1)2
2n-1=1+2l-2
2n-1=2l-1
l=n
(i used l for number of terms)
number of terms=n
Answer:
Step-by-step explanation: half in is the answer your probably looking for in APEX.