Answer:
13+Z=-6
Step-by-step explanation:
Let p be the prize of a pen and m the prize of a mechanical pencils. If you buy six pens and one mechanical pencil, you spend 6p+m. We know that this equals 9, because you get 1$ change from a 10$ bill.
Similarly, if you buy four pens and two mechanical pencils, you spend 4p+2m, which is 8$, because now you get a $2 change. Put these equation together in a system:

Now, if you multiply the first equation by 2, the system becomes

Subtract the second equation from the first:

Plug this value into the first equation to get

Answer:
£5.41
Step-by-step explanation:
7.25/1.34 = 5.41044...
Round = 5.41
Answer:
103.69
Step-by-step explanation:
5% of 98.75 is about 4.94. So if you were to do money, it'd be 98.75 + 4.94, which equals about 103.69.
Answer:
2,3,4,5,6,7,8,9 etc
Step-by-step explanation: