-10 negative -3 positive -2 positive 1- positive
b< 11: The board is shorter than 11 cm
b > 11: The box contains more than 11 books
b < 12: There are fewer than 12 beetles in a jar.
b > 12: The building is taller than 12 ft
Answer:

Step-by-step explanation:
we know that
The ratio of soil, manure and leaf mould is 
That means
For every 6 liters of the compost, he use 3 liters of soil
so by proportion
Find how many liters of soil does he use for 72 liters of compost

Answer:
Step-by-step explanation:
So, we se that there are 8 parts in total.
So, 50/8 is 6.25
So, 6.25*3 parts, which is how many there are for blue is 18.75