Answer:
-(-26)
Step-by-step explanation:
its D and im very very sorry if im incorrect
The numbers are "x" and "y",
we suggest this system of equations.
x+y=24
x-y=15
solve by reduction method.
x+y=24
x-y=15
-----------------
2x=39 ⇒x=39/2=19.5
x+y=24
-(x-y=15)
-------------------
2y=9 ⇒y=9/2=4.5
The numbers are 19.5 and 4.5
To check
19.5+4.5=24
19.5-4.5=15
Answer:
1.1
Step-by-step explanation:
If you dont want a decimal then you would just round, and get 1
2 hours and 14 min. 114 + 114 = 228. 312 - 228 = 84. 114 / 2 = 57. 84 - 57 = 27. 114 / 60 = 1.9. 27 / 1.9 = 14