Jonah divided 15/20 by 3/4. he got an answer of 45/80 = 9/16. is he correct? explain.

Write a corresponding real world problem to represent 2x - 125=400

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

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. what distance from city a is the point where the truck and the car will meet?