Negative and a positive makes a negative.
So, -25 + 25 = 0
Answer:
The temperature needs to decrease 71° - 50° = 21° that at least not greater than 50°F
As we know, the device decrease the temperature down 3.5° every hour, so
21 : 3.5 = 6 hour
Call x is the hours we need to wait to let the device decrease, we have
x > 6
Answer:20% oofff
Step-by-step explanation:
100-(13*100/o)=z
o=original price
100-(13*100/16.25)=z
100-80=z
20%
answer is z%
Answer: 100
Step-by-step explanation:
You add by 4 then 5 then 6 and the pattern increases periodically.
1/6
explanation:
1 x 1 = 1
2 x 3 = 6
1/6
Hope it helps!