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Secondary Consumer Arithmetic

 

1 Jack is paid $18.50 an hour for a 35 hour week. What is his normal weekly wage?

 2 For a 38 hour week Jill is paid $836. Find her hourly rate of pay.

3. Jill has a casual job from 4:00 p.m till 5:30 p.m Monday to Friday. She also works from 9 a.m till 12:30 p.m on Saturday. Find her weekly income if her casual rate is $9.80 per hour Monday to Friday, and $14.70 an hour on Saturday


4. A printer is advertised for sale at J$84 000. A discount of 12% is given if it is bought for

cash. It can also be bought on hire purchase by paying a deposit of J$29 400 followed by

24 monthly payments of J$2300 each. Calculate

(a) the cash price,

(b) the hire purchase price,

(c) the amount saved by buying the printer for cash rather than on hire purchase.


5.  The marked price of a stove was $520. A worker bought the stove on hire-purchase

by making a down payment of $100, and twelve monthly payments of $40 each.

How much could she have saved if she had bought the stove for the marked price?

(A) $ 40

(B) $ 60

(C) $100

(D) $140


6. The cash price of a camera is $450.00. It can be bought on hire purchase by

making a deposit of $90.00 and 12 monthly instalments of $34.50 EACH.

Calculate

(a) The TOTAL hire purchase price of the camera, (2 marks)

(b) the amount saved by buying the camera at the cash price.


7. Maria invests $6,154 in a savings account

with a fixed annual interest rate of 8%

compounded continuously. What will the

account balance be after 3 years?


8. Lea invests $8,330 in a savings account with a fixed annual interest rate of 8% . What will the account balance be after 2.5 years?



                                                            Friday, October 20, 2023


1. In selling an article, a shopkeeper made a profit of 20% on his cost price of $8000. What

was the selling price?


2.  A 12% service charge is added to the cost of food ordered in a restaurant. If the

food costs J$2700, what is the total cost, including the service charge?


3. 













4. A new network of computers costs a firm $ 15,000. The value of this computer

network depreciates at a rate of 20% per annum.

What is the value of the network after

(a) 1 year,                         (b) 2 years?


5.  A car costs $12 000 when new. Its value depreciates by 10% in the first year and

at a constant rate of 5% for each subsequent year. What is its value after

(a) 1 year,             (b) 2 years,                     (c) 3 years?


Monday, October 30, 2023


Times to Know

1 year = 365 days

1 year = 52 weeks

1 year = 12 months

weekly = 52 times/year

biweekly = 26 times/year

semi-monthly = 24 times/year

annually = yearly

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