Use photomath , its easier it tells you the steps
Answer:
14.6
Step-by-step explanation:
Answer:
Step-by-step explanation:
Any alteration to the x value means that the function will move right. There are no exceptions to this that I can think of.
A*5+b*2=145
a +b =50 | * -2
5a +2b=145
-2a -2b = -100
----------------------
5a-2a = 145-100
3a= 45
a=45:3
a=15 questions are worth 5 p
b=50-15=35 questions worth 2 p
