Answer:
The answer is 300 millimeters.
Step-by-step explanation:
First you have to multiply the length value by 10, so 30 x 10 = 300!
Hope this helped! <3
Well it all depends on the problem but you have to approach every problem with the order of operations PEMDAS. In order you do parentheses, exponents, multiplication, division, addition, then subtraction. If you post an example of the problem you're trying to work out we can be more specific.
$50 are added per week
$550 is the starting amount
since x = # of weeks, and 50 is being multiplied by that, it is known that each week, you are earning an additional $50
since when x = 0, aka at the beginning, y = 550, that is the amount you started with
One strategy is to subtract 168 from the amount you never told us. Or you can keep adding to 168 until you reach the desired amount. The answer is X-168 where X=total amount of coins that you never told us about.