Steve wants to use his 18% employee discount to buy a video game that has a regular price of $69.99. A 6.5% sales tax is applied
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Answer:
A
Step-by-step explanation:
sin57° = =
=
∠ P = 180° - (90 + 57)° ← sum of angles in triangle
∠ P = 180° - 147° = 33° , then
cos33° = =
=
Thus the 2 ratios used to solve for x are A
Let the number of rows be = r
Let the number of seats per row be = s
we know that the number of seats is 126.
So, ..... (1)
As given, there are five more seats per row than the number of rows, so we can say that:
Putting this in equation (1)
r=-14 and r=9 (neglecting the negative value) we get r=9
And s=r+5
so, s =9+5=14
Hence, there are 5 rows and 14 seats per row.