exam Maths Puzzle Numerical Ability

Sandy and James work at a local restaurant. Sandy can fold 30 napkins in 10 minutes, while James can fold 39 napkins in 15 minutes. How long will it take them to fold 112 napkins altogether?

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exam Other Question

I am not sure of these categories because I am new to college algebra. the question is Find the area of a fenced yard with a lenght of 18 yards and a width of 10 yards. The sum of three consecutive odd integers is no less than 57. Find the possible second odd integers.