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Algebraic Formula: Quiz 2 - Answers
1)
a) e = 10h + 3s
b) £68
c) 7 suits
2)
a) e = 1000 + 20b + 50p
b) £1,590
c) £1,270
d) 4 premium cars and 8 budget cars
3)
a) c = 20d + 0.4m
b) £132
c) 35 miles
Algebraic Formula: Quiz 2 - Answers
1)
a) e = 10h + 3s
b) £68
c) 7 suits
2)
a) e = 1000 + 20b + 50p
b) £1,590
c) £1,270
d) 4 premium cars and 8 budget cars
3)
a) c = 20d + 0.4m
b) £132
c) 35 miles
Working
Questions
1) I work in a suit shop. I get paid £10 per hour that I work and £3 for every suit that I sell.
2) I am a car sales man. I get paid a monthly salary of £1,000. I get a commission of £20 for every budget car that I sell. I get a commission of £50 for every premium car that I sell.
3) I hire a car. I pay £20 per day that I hire the car and 40p for each mile that I drive.
1) I work in a suit shop. I get paid £10 per hour that I work and £3 for every suit that I sell.
- Write an expression for the amount of money that I earn in a shift. Let e be my earnings (in £), h be the hours that I work, and s be the number of suits that I sell
- Find how much money I earn if I work for 5 hours and sell 6 suits
- I worked a 4-hour shift and earnt £61. How many suits did I sell?
2) I am a car sales man. I get paid a monthly salary of £1,000. I get a commission of £20 for every budget car that I sell. I get a commission of £50 for every premium car that I sell.
- Write an expression for the amount of money that I earn each month. Let e by my earnings each month (in £), b be the number of budget cars that I sell and p be the number of premium cars that I sell.
- Find out how much I make if I sell 12 budget cars and 7 premium cars.
- Find out how much money I make if I sell 3 premium cars and twice as many budget cars.
- I earn £1,360. I sell twice as many budget cars as I do premium cars. How many budget cars do I sell, and how many premium cars do I sell?
3) I hire a car. I pay £20 per day that I hire the car and 40p for each mile that I drive.
- Write down an expression for the cost of the car. Let the cost of the car (in pounds) be c, the number of days be d and the number of miles be m.
- Find out how much it is to hire the car for 5 days and to drive 80 miles.
- I hire the car for 3 days and it cost me £74. How many miles did I drive?