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The LCD of 6/20, 9/5, 7/50 and 3/4: 

A video game sells at Arnolds for $14.99. Arnolds marks the game up at 40 percent of the selling price. The cost of the video game to Arnold is:

Sally Ray borrowed $38,000 to buy a new Hummer. Assuming an interest charge of $4,100, what will be her monthly payment if she takes 25 months to repay the loan? Assume the loan is repaid in equal payments.

Lisa Wolf has 20 1/8 days of vacation per year at Walmart. To date she has taken 4 1/2 in January, 3 1/4 in February, and 4 1/8 days in March. How much more vacation time is Lisa entitled to?

Shawn Reedy borrowed $17,000 on a 120-day, 12% note. After 65 days, Shawn paid $2,000 on the note. What is the adjusted balance after the partial payment?  Use ordinary interest.

Subtract (reduce to lowest terms if necessary):  12  1/8   – 9  2/3

.0064 is sixty-four ten thousandths. 

 A laptop at Best Buy increased in price from $600 to $800. What was the percent of increase?

A variable rate mortgage means:

 The trade discount results if the customer pays the bill within the discount period.