Substitute
4x+2=x-4
Then solve
3x=-6
x=-2
Substitute answer into an equation to find y
y=-2-4
y=-6
So you solution is:
(-2,-6)
421.75
2
_____
843.50
+
15.25
4
____
61.00
843.50
+ 61.00
_______
904.50
B, the lowest because would you rather pay 12% daily or monthly
<span>Part A: Kyle is incorrect
</span>
Part B: <span>Brenden paid $37.60</span>
All you do is add them all together...
20 + 11.4 + 11.4 + 4.5 + 4.5 + 0.45 + 0.45 + 0.45 + 0.45 = 53.6Kg
(note that 0.45 is 450g in Kg, When adding things such as weight or length you want to make sure that they are all in the same unit)
