51= 3k
divide both sides by 3
to get k by itself
51/3= 3k/3
cross out 3 and 3, divide by 3 and becomes k
k= 17
Answer: k= 17
Answer:
32 Minutes
Step-by-step explanation:
Together the two clerks can file 21 files per minute (10+11=21).
Therefore to file 672 folders would take 32 minutes (672/21=32)
Answer:
<span>The number of minerals mined in 45 seconds
</span>
Explanation:
The given equation is:
M(s) = 250 + 0.8s
Let's check each term in this equation:
M(s) represents the minerals mined in s seconds
250 is the initial value
0.8s represents the rate of increase of the minerals mined in s seconds
Now, based on the above:
M(45) would represent the minerals mined at s=45 seconds
Hope this helps :)
The number 239 is a prime number.
This means that it can only be factored into it's own number times 1
hope this helps
