A DVD ed in buying are shown below. They
a book
a boogle board
R150
R189
R400
а CD
R399,99
gym bag
R139
R140
R180
a) Penny buys three items and has R30 and some small change left over. Which items did she buy?
b) Anele buys five of the listed items and has R2 left over. Which items did she buy?
c) Alex buys only two items and has only 5 c left over. What did he buy? Explain why he has Scin change.
3. Paul runs 1 500 metres in 4,67 minutes.
a). Estimate his average speed in metres per minute.
b) Use a calculator to find his actual average speed in metres per minute.
c) Write down his average speed in metres per minute correct to:
Recall that speed = distance
ime
1)
The nearest whole number.
ii) One decimal place.
iii) Two decimal places.
iv) Three significant figures.
4) The size of the crowd at a music festival is reported as 34 700 to the nearest hundred.
a) What is the smallest number of people that could have attended?
b) What is the greatest number of people that could have attended?
! On the road between two towns (Bergville and Reddington), there is a sign that shows the distance to
each town. The distances given are to the nearest kilometre: Bergville 12 km and Reddington 15 km.
a) What are the smallest and the largest possible distances between the two towns?
b) Two walkers meet at the sign post. One sets off towards Bergville, and the other to Reddington.
What is the smallest and largest possible differences between the distances they walk?​