Describe how you regroup when you find the sum of 64 plus 43

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?