Answer:
um I think it's f I'm not sure tho
Question 14 is B and C
Question 15 is D
Question 16 is A
And question 18 is B and D
Let's say a stands for apples and p for pears
We know that

And

In order to know what the cost of an "a" is we have to put the value of the p in the second equation, which means



And

The price of per kilo for apples is 1.80
Answer:
D)
Step-by-step explanation: Im not so sure ok i sorry if Im wrong
Answer:
D
Step-by-step explanation:
repeat