Find two numbers with a sum of 65. Twice the smaller number is 10 more than the larger number.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?