Answer:
5 marbles are black.
Step-by-step explanation:
7-2=5
Answer:
10
Step-by-step explanation:
Using the distance formula,

Answer:
b) 4 3/8
Step-by-step explanation:
we know that
12 muffins calls for 1 3/4 cups of flour
using proportion
Find out how much flour will be needed in the mix for a bath of 30 muffins

Convert mixed number to an improper fraction

substitute

convert to mixed number

<span> What we are going to do for this case is find the cost for each case:
Cost to run the car before the mechanic worked on it:
</span>

<span> Cost to run the car after the mechanic worked on it:
</span>

<span>
The difference between both cases is:
</span>

<span>
Answer: It cost to run the car after the mechanic worked on it 0.01 $ / mile less than before the mechanic worked on it.</span>