Atwo digit multiple of 5 whose digits add up to 13

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

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5