- Crane A can unload the container ship (#2040)
Crane A can unload the container ship in 10 hours, and crane B can unload it in 14 hours. Crane A started to unload the ship at noon and was joined by crane B at 2 P....
fractional coefficients, coefficients, equations, algebraic equations, algebraic expressions, algebraic fractions, expressions
- Erica hiked up a mountain trial (#1003)
Erica hiked up a mountain trial at 3km/h and returned at 4k/h. The entire trip took five hours 10 min including the half an hour she spent at the ...
equations, fractional coefficients, expressions, coefficients, algebraic fractions, algebraic expressions, algebraic equations
- Two numbers are in the ratio (#864)
Two numbers are in the ratio 5:2. One half of their sum is 10 and a ...
fractional coefficients, expressions, algebraic fractions, algebraic expressions, algebraic equations, coefficients, equations