Actual cost = bill + VAT*bill
= bill*(1 +VAT)
= £463.20*(1 +0.20)
actual cost = £555.84
Answer:
she used for two times
so 2.35*2=4.7
her account balance charges for 4.7
(-1,1)
This is because the solution is the point where the two lines meet.
First, find the value of the expression within the parentheses, which is 8x. Since x=1/4, 8x=8/4 or 2. Next, multiply this value by -3. -3*2=-6
