Answer:
The second set of equations is the one you want.
Step-by-step explanation:
If s is the cost of a shirt and you buy 3 of them, you represent that as 3s. Likewise with all the other numbers of articles of clothing you are given. The first situation then is 3s + 5t = 60. The second situation is 2s + 3t = 39.
Answer:
Step-by-step explanation:
First, take a look to the picture that I attached, however please note the triangle is not drawn to scale, the figure is just to provide visual aid. As you can see the value of 
this is because of the sum of the interior angles in a triangle is always equal to 180°. So:
Now, we can use the law of sines, which states:
Hence:
Answer: b=14.7
Step-by-step explanation:
Answer:
8%
Step-by-step explanation:
234.25$ : 100 = 252.99$ : x
234.25x = 252.99 x 100
234.25x = 25299
25299 divided by 234.25 is 108
so answer 8%
Kilogram is an SI unit for mass.
Ounce and pound refer to American system for measuring things, and decakilogram is not the "basic" unit, but kilogram is.
