A computer store has a sale on laptops. John paid $943.95 for his laptop which includes 5% sales tax. What was the price of the computer before the tax was added in?
$899.00
$896.75
$991.15
none of these
An architectural poster has a perimeter of 140 inches. The length of it is 10 inches longer than the width. What are the dimensions of the poster?
length is 30 in
width is 40 in
length is 40 in
width is 30 in
length is 35 in
width is 35 in
none of these
An investment portfolio of $15,000 includes a 4% CD for stability and the rest is invested in bonds for growth. This year, because of the market, the bonds lost income at the rtate of 8% and the total net income of the investment portfolio was only $450. How much of the investment was in each?
The investment was $13,750 in CD and $1,250 in bonds
The investment was $1,250 in CD and $13,750 in bonds
The investment was $13,500 in CD and $1,500 in bonds
none of these
A pizza parlor sells a small pie for $7 and a large for $12. On Thursday, 93 pies were sold and the total receipts were $951. How many of each size were sold?
33 large pizza pies and 60 small pizza pies
50 large pizza pies and 43 small pizza pies
60 large pizza pies and 33 small pizza pies
none of these
A doctor needs 500 mL of 12% saline solution. The hospital pharmacy stocks 10% and 20% solutions. How much of each stocked solution must be mixed to prepare the 500 mL of 12% saline solution?
400 mL of 10% solution and 100 mL of 20% solution
200 mL of 10% solution and 300 mL of 20% solution
100 mL of 10% solution and 400 mL of 20% solution
none of these
The exchange rate for British Pounds varies directly as the number of USD (US Dollars) exchanged. Tuition at the University of Nottingham is 12,000 Pounds. On December 9, 2008, $17,730 US Dollars was needed to pay the 12,000 Pound tuition. What was the constant of variation (the exchange rate) at that time in USD/Pound?
$1.58 USD/Pound
$1.38 USD/Pound
$1.48 USD/Pound
none of these