Answer:
1 hour and 6 minutes
Step-by-step explanation:
- A temperature difference of 58-40 = 18°F was obtained in 2 hours
- A temperature difference of 68-40 = 28°F will be obtained in x hours
The next proportion must be satisfied:
18 °F / 28 °F = 2 hours / x hours
x = 2*28/18
x = 3.1 hours in total
Given that she has already waited 2 hours, she must wait 3.1 - 2 = 1.1 extra hours. 1 hour is equivalent to 60 minutes, then 0.1 hours is equivalent to 0.1*60 = 6 minutes.
Answer:
c tomato 2.5
pepper = 3.5
Step-by-step explanation:
Let t= the price of tomato plants
p =the price of pepper plants
3t+ 4p = 21.50
5t+ 2p = 19.50
Multiply the second equation by -2
-10t -4p =-39
Add this to the first equation to eliminate p
-10t -4p =-39
3t+ 4p = 21.50
---------------------
-7t = -17.5
Divide by -7
t = 2.5
Now find p
5t+ 2p = 19.50
5( 2.5) + 2p = 19.50
12.5+2p = 19.50
Subtract 12.5 from each side
2p =7
p =3.5
We want the price of 1 tomato and 1 p
3.5+2.5
It would be A and D! hope this helps
For two pounds it's $13.50. So 2.6 might be,$17.55. (Maybe) (But i'm pretty sure it's right.)
Hope I could hep. :)
Answer:
1 or any normal number mate! rational no is in form p/q where q is not 0
Step-by-step explanation: