Chapter 2: Q. 83 (page 128)
There are 16 girls in a school club. The number of girls is four more than twice the number of boys. Find the number of boys.
The number of boys are 6.
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Vina has in quarters, dimes and nickels in her purse. She has eight more dimes than quarters and six more nickels than quarters. How many of each coin are in her purse?
The first day of a water polo tournament the total value of tickets sold was . One-day passes sold for and tournament passes sold for . The number of tournament passes sold was more than the number of day passes sold. How many day passes and how many tournament passes were sold?
In the following exercises, find (a) the amount of the mark-up and (b) the list price.
Daria bought a bracelet at the original cost of $16 to sell in her handicraft store. She marked the price up 45%. What was the list
price of the bracelet?
In the following exercises, find (a) the amount of discount and (b) the discount rate (Round to the nearest tenth of a percent if
needed.)
Larry and Donna bought a sofa at the sale price of \(1,344. The original price of the sofa was \)1,920.
Brian borrowed a 20-foot extension ladder to use when he paints his house. If he sets the base of the ladder six feet from the house as shown, how far up will the top of the ladder reach?
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