Answer:
it is 7.5 rate
Step-by-step explanation:
I used a calculator to get the answer and it is correct.
12a=x
4a+6b=10
2a+3b=5
2a-4b=12
a-2b=6
2a+3b+1=a-2b
a+5b+1=0
a=-1-5b
2(-1-5b)+3b=5
-2-10b+3b=5
-2-7b=5
-7b=7
7b=-7
b=-1
-1-5*-1=a
-1+5=a
4=a
4*12=48
12a=48
Hope this helps :)
Answer:
130.18
Step-by-step explanation:
0.16666666666 that is correct
The answer will be 60+ because 48 minutes is a long time and if youstudy for a long time you memorize more
