10 questions · type your answer and click Check · try to match the answer style shown in examples
1Mix wheat at $15/kg and $25/kg to get a mixture at $20/kg. Find the ratio.
2Mix milk at $40/L and $60/L to make a mixture at $45/L. Find the ratio.
3Mix 15 kg at $12/kg with 5 kg at $20/kg. Find the average price.
4Find the ratio to mix a 15% and 35% saline solution to get 25%.
5Mix 25% and 60% acid solutions to make 35 liters of 40% solution — find each amount.
6Mix coffee at $200/kg with coffee at $250/kg to get a mixture at $220/kg. Find the ratio.
7Mix 30 kg at $18/kg with 20 kg at $28/kg. Find the average price.
8Find the ratio to mix pure water (0%) with a 30% acid solution to get a 10% solution.
9Mix 8 kg of $50/kg tea with 12 kg of $70/kg tea. Find the average price.
10Find the ratio to mix milk at $30/L and $50/L to get $35/L.