10 questions · type your answer and click Check · try to match the answer style shown in examples
1Solve for x: 4/9 = x/45.
2Solve for x: 7/x = 21/30.
3If 10 liters of paint cost $50, how much do 4 liters cost?
4A car travels 150 km in 3 hours. How far in 5 hours at the same speed?
55 machines produce 100 items in an hour. How many items would 2 machines produce in an hour?
6If 12 workers finish a wall in 8 days, how many days for 6 workers?
8Is speed x time = fixed distance a direct or inverse relationship between speed and time?
9If 2 kg of rice costs $6, find the cost of 5 kg.
10Solve for x: x/15 = 2/3.