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,

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

(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?

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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