7100000 grams. 1 kilogram is equal to 1000 grams
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
The answer is b...........
Lo siento mucho, necesito los puntos porque estoy en una prueba.