<p>Maths Quest A Year 11 for Queensland Chapter 3 Spending money WorkSHEET 3.2 1</p><p>WorkSHEET 3.2 Spending money Name: ______</p><p>1 Chris received his telephone bill for the quarter, which showed a total charge of $187.15. The service and equipment charge was $42.45. (a) What percentage of the total bill does the service and equipment charge represent? (b) Find the cost of 156 local calls at the rate of $0.25 each.</p><p>Questions 2 and 3 refer to the following:</p><p>Eastern Energy supplies electricity for domestic use at the following rates:</p><p>Usage Rate First 1020 kWh $0.1203 Over 1020 $0.1268</p><p>2 Calculate the charge if the following meter readings were taken: Current reading 32423 Previous reading 30115</p><p>3 In a period of 91 days a family used 2430 kWh of electricity. What is the cost per day of this usage?</p><p>4 Calculate the minimum payment due for a credit card with a closing balance of $1543 where the card limit is $4000.</p><p>5 Interest is charged on a cash advance, made via a credit card, from the date the cash advance was made until it is repaid. Calculate the interest payable on a cash advance of $1500 made using a credit card with an interest rate of 12% pa. and paid off after 21 days. Maths Quest A Year 11 for Queensland Chapter 3 Spending money WorkSHEET 3.2 2</p><p>6 For a “55 days interest-free period” credit card, calculate the interest charged on an outstanding balance of $1400 which was paid 5 days after the due date. Assume that all purchases were made on the first day of the 30-day period covered by the statement and that the interest rate is 12%.</p><p>7 What is the day and date of the day which is 55 days after Tuesday 17 May?</p><p>Questions 8 – 10 refer to the following exchange rates for the Australian dollar.</p><p>Buy Sell US$ 0.521 0.515</p><p>£Stg 0.355 0.349</p><p>8 Greta exchanges $500 Australian dollars into US currency. What amount will she have?</p><p>9 On returning from a holiday Sam changes $110 US into Australian dollars. What amount will he have?</p><p>10 Convert 100 English pounds Sterling to Australian dollars and then to US dollars. What is the effective conversion rate of pounds to US dollars?</p>