Answer:
Step-by-step explanation:
35 = x% of 70
35 = 1/2 of 70
x% = 50%
x = 50
Answer:
After 15 years the use of said machine is no longer profitable
Step-by-step explanation:
it should be used, as long as the money generated is not smaller as the costs generated. By setting both formulas equal (calculating the x value for when they are equal) you get x = 15 and x = -2.5(which doesnt make sense in this context).
Answer: 10 bags
Step-by-step explanation:
First we must calculate the field area. Assuming it is a rectangle then its area equals the product of its length times its width
You use 8 pounds of fertilizer per 1,000 square feet
So the amount of fertilizer you should use is:
As the fertilizer comes in bags of 50 pound then you need
Since you can not buy 9.2 bags then we round up to the next whole number.
Finally you need 10 bags of fertilizer
Answer:
3 hours
Step-by-step explanation:
12.5/2.5 = 5
then convert it to negative
Answer:
(-2,5)
Step-by-step explanation: