Answer:
Step-by-step explanation:
You distribute the 5 into the equation,
you also have to follow the signs, negative times a negative is a positive
so you get 20/7
Total=255*5=1275
fifth week earning=1275-(246+288+234+276)
=231
Markup = $4
b) markup as a percentage of cost is 33.3%
Step-by-step explanation:
Markup
markup = selling price - cost
= $13 - 9
... markup = $3
Markup as a Percentage of Cost
To find the percent markup, divide the markup by the reference value and multiply the ratio by 100%. The reference value for markup is usually cost price, but sometimes may be selling price.
... markup / cost × 100% = 3/9×100% = 33 1/3% ≈ 33.3%