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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

Maria walks a round trip of 0.75 mile to school every day. how many miles will she walk in 4.5 days

Hundred and tens tables to make 430 in five different ways