Question

Gabriel is making a mixture of compost and soil to use for a special plant. He wants his final mixture to be 2 parts compost to 10 parts potting soil. He wants to end up with 6 kilograms of mix. How many kilograms of compost should he use?

Answer 1

2parts compost and 10pats potting soil
2/10=1/5 which is 1 to 5 ratio.
He wants to end up with 6 kilograms which is 1 kg compost and 5kg of plotting soil.so he can use 1 kg compost
hope it helps