What are the values of a and b?
a) a=9/2, b=15/2
b) a=15/2, b=9/2
c) a=16/3, b=15/2
d) a=9/2, b=13/2

Which ratio is equivalent to 10: 85

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Drawing it out would be best can you me