Unit 4 Lesson 6: Exercise 7

1) At a garage, petrol is 95¢ per litre and David needed 48.6 litres to fill his tank. Find

a) The total price to fill his tank.    b) The change from a $50 note.

2) A satellite takes 174.6 minutes to orbit the earth.

a) How long does it take for 100 orbits?

b) How long for 1.5 orbit?

3) Constance is paid $12.50 per hour for a part – time work. Find her wage after 13 hours of work.

4) Paul will pay for his new car in 36 monthly installments. If his car loan is $19,061, how much will Paul pay each month? Round your answer to nearest cent.

5) A retailer has 802.7 units of goods to sell. If one shipping box holds 0.875 units, and each customer gets one box, how many customers can the retailer ship goods to? Round your quotient to the nearest whole number.

6) One watch weighs 0.09kg and a box of them weighs 1.98kg. How many watches are in the box?

7) A table and six garden chairs are priced at £335 in a furniture shop. If the table cost £120.80, calculate the cost of each chair.

8) How many 0.2 litre glasses of juice can be poured from a 1¼ litre carton? (Round the answer to the nearest whole number.)

9) What is the average speed in miles per hour of a car that travels 956.4 miles in 15.9 hours? (Round the answer to the nearest tenth.)

10) A family of two adults and two children decided to visit a theme park for the day. An adult’s ticket cost £19.20 and a child’s ticket cost £16.70.

a) How much would the family pay to visit the park?

b) Calculate how much the family would save if instead of buying individual tickets, they bought a family ticket costing £57.

11) From a 50 dollar note, I received $7.05 change when buying petrol at 89.90 cents per litre. How many litres of petrol did I buy? Give answer correct to one decimal place? (Note: round the petrol price to the nearest cent before calculating)

12) Marina’s car travels 44.8 miles per gallon on the highway. If her fuel tank holds 15.4 gallons of gas, how far can she travel on a full tank of gas?

13) School lunches cost $14.50 per week. About how much would 15.5 weeks of lunches cost?

14) Nine people share a lottery prize of £7,365,800. Calculate to the nearest penny, how much they each receive?

15) Stephan is paid $10.95 per hour. How long will it take him to earn $410, to the nearest hour? (Round his pay rate to the nearest dollar first)