Please find RQ i cant do it

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i