Answer:
Tom’s age is 7 years
Mary’s age is 13 years
Step-by-step explanation:
Since we do not know the ages, let’s represent the ages by variables at first.
Let m represent mary’s age will t represent Tom’s age.
Now, let’s proceed to have equations.
Adding square of Tom’s age (t^2) to mary’s age give 62
t^2 + m = 62 •••••••(i)
Adding square of mary’s age (m^2) to Tom’s age give 176
m^2 + t = 176 •••••••(ii)
Now, to get the individual ages, we will need to solve both equations simultaneously.
Solving both equations simultaneously without mathematical softwares can be a little hard.
By the use of mathematical software ( wolfram alpha to be specific), we can input both equations and allow the software to solve.
By inputing these equations, we have the values of t to be 7 and m to be 13
And if we try to check by inspection, we can see that these values are actually correct.
7^2 + 13 = 62
13^2 + 7 = 176
Well, if we look at a calculator and ask, what is 8% of 3000$ we get the answer of 240 dollars.
3000 - 8% = 2760 therefor we know it removes 240 dollars. So the commission is 240 dollars.
Answer:
The expression representing the Total cost of 6 boxes is 
.
The Simplified expression representing the Total cost of 6 boxes is 
.
Step-by-step explanation:
Given:
Number of thriller movies = 3
Number of Comedy movies = 2
Let the cost of thriller movie be t
Also Let the cost of comedy movie be c
Total Number of boxes = 6
Now, given a DVD box set includes 3 thriller movies and 2 comedies.
Cost of Each box = 
We need to find the total cost of 6 boxes
Total Cost of 6 boxes is =
Hence the expression representing the Total cost of 6 boxes is .
Simplifying the above expression we get;
Total Cost of 6 boxes is = 
Hence the Simplified expression representing the Total cost of 6 boxes is .
Answer:
sales tax is 11.89745 round if u want
Step-by-step explanation:
i just added 8.5 percent
The answer is:
144mg
Working out/ Explanation:
13% of 300mg = 39
39 times 4 = 156
300mg - 156mg = 144mg
Hope this helps!
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