Answer:
the original price is $7.89
the price on sale is $6.44
i hope this helps
Step-by-step explanation:
divide $12.88 by 2 to get the price of one of those comic books on sale which gives you $6.44
if you want the original price you just add $1.45 to $6.44 and then thats the price before the sale.
Answer: +$45
Step-by-step explanation: if his actual pay for the week was $100 then from the question he incorrectly calculated it as {$100 + $45} = $145 which is $45 above his actual pay.
Error = measured value - actual
value.
= $145 -$100 =$45.
NOTE: since the value he assumed{$145} is greater than his actual pay{$100}, we have to include a positive sign to the error{$45}.
Therefore, Error = +$45.
Answer:
7y+12x=-16
y-step explanation:
Multiply everything by 7 to get rid of the fractions.
Distribute the 12 into (x-1)
Then subtract 28 from the 12
Finally add the 12x over
