Explain how you found your answer

let the total cost of a rug be x

then

30% of x =75

30/100*x =75

3x=750

x=750/3 = 250

Marc owe = 250-75 =175

Step-by-step explanation:

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )

x= cost per bracelet

number of bracelets * x + shipping charge = total cost

so

9x+9=72