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10/24 CFA Unit 3A: Scale Drawings and Percents

Last updated about 1 year ago

12 questions

1

Joanie sells electronics and works on a commission basis. If her commission is 4% on what she sells, and she sells $15,000 worth of electronics, what are her earnings?

1

Lee sells electronics. He earns a 5% commission on each sale he makes. If Lee wants to make $100 in commission, what is the dollar amount of electronics he must sell?

1

James is in the market to buy a new scooter. The scooter he wanted to buy was originally $350, but was on sale in the store for $273. What was the discount rate? Rate is always written as a percent.

1

You and your friends decide to go out to dinner and celebrate your birthday. The meal costs $168.34. The sales tax is 5% and your waiter was okay so you want to leave a 12% tip. What was the total bill? Round to the nearest cent.

1

Anna put $500 into a savings account and made no more deposits or withdrawals. The account earns 2% simple interest per year. How much money will be in the account after 5 years? I=prt

1

A new automobile costs $23,782 but after one year it is worth $17,668. What is the percent of decrease in the value of the automobile? Round to the nearest whole percent.

1

The second Triangle L'M'N' is a scaled copy of Triangle LMN. What is the scale factor?

1

If Rectangle 1 has a width of 2 feet and a length of 6 feet, what must be the length and width of the scaled copy Rectangle 2?

1

Brittany has a blueprint of her bedroom that is 8 in by 14 inches. Her actual bedroom dimensions are 5 times bigger than the blueprint. How many times larger is the area of her actual bedroom? (Enter number only)

1

Which of the triangles P, Q, R, and S are reductions of triangle X?

1

The 2 rectangles are similar. What is the perimeter of rectangle B?

Rectangle A Rectangle B

1

A design for a library has a scale of 1/4 inch = 3 feet. The height of the library in the drawing has a height of 10 inches. What is the actual height of the library?