7 /15 lb. 5 oz.
The parenthesis means it’s division please help

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

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?

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read