Question A 3 tonne mix of gravel contains blue metal and gravel in the ratio 2:3. How much gravel is in the mix?
Answer: 1.8 tonne Step-by-step explanation: sum the parts of the ratio, 2 + 3 = 5 parts divide the total mix by 5 to find the value of one part of the mix 3 tonne ÷ 5 = 0.6 tonne , then 3 parts = 3 × 0.6 = 1.8 tonne ← amount of gravel in the mix Log in to Reply