Answer:
n= 1
Step-by-step explanation:
-3n + 15 =12
-15. -15
-3n= - 3
÷-3 ÷-3
n= 1
Answer:54 minutes
Step-by-step explanation:
9 x 5 = 45 then 45+ the.1 minute from each mile so it would be 9 +45 = 54 minutes
Answer:
40.5 g
Step-by-step explanation:
Find how much salt is in 450 g of a 9% salt solution.
Note that
450 g - 100%,
x g - 9%,
then

If you evaporated all water from this solution, then you would get 40.5 g of salt.
Answer:
C) 1 quart
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
There are 15 shells all together
there is 5 friends
15 divided by 5 is 3
Therefore the answer is three