Determine the ratio of white flowers (camomile) to purple flowers (bluebell) in the picture shown.
5:4
A cyclist travels 120 km in 3 hours. Calculate the rate at which the cyclist is travelling using units of:
kilometres per hour
40km/h
explain what principal means.
Principal is the amount of money you start with
Calculate the following:
28% of 288
80.64
A laptop originally costs $1,200. If it is on sale for 15% off, what is the discounted price?
$1020
Determine the ratio of 240 000 g sand and 80 kg cement.
3:1
A student walks 1.6 km to school in 22 minutes. Calculate the speed she walks to school in m/s.
1.21m/s
Calculate the simple interest paid on the following investments.
$67
Rebecca has had her eyes on her dream pair of shoes and to her surprise they were on a 25% off sale. If the full price of the shoes is $175, what price did Rebecca pay for her dream shoes
$131.25
A water tank can be filled in 6 hours. How long will it take to fill 72% of the tank?
4 hours and 19 minutes
Determine the number of children in a group of 1320 people if the ratio children to adults is 3:1
990 children
330 adults
Convert the following rate as shown, giving your answer to two decimal places.
80 km/h to m/s
22.22m/s
A bank offers interest on its savings account of 6% p.a. If a Year 11 girl opens an account with $750 and leaves her money there for 5 months, how much interest does she earn?
$18.75
if a student received 48 out of 55 for a mathematics test, what percentage, correct to 2 decimal places, did they get for their test?
87.27%
The length of a rectangle is 12 cm and the width is 60 mm. Find the ratio of the length to the width in simplest form.
2:1
Rich has 1 hour and 45 minutes to complete his Science, English and Maths homework. If the time he needs to spend on the three subjects is in a ratio 1:2:4 respectively, how long does he have to spend on his Maths homework?
60 minutes
Tea bags in a supermarket can be bought for $1.45 per pack of 10 or for $3.85 per pack of 25. Which is the cheaper way of buying tea bags and what is $/bag rate
10 pack =$0.145perbag
25 pack=$0.154perbag
A Year 1111 girl is paid $79.50 in interest for an original investment of $500 for 3 years. What is the annual interest rate?
5.3%
If a pair of boots were reduced from $155 to $110, what was the percentage discount offered on the boots? Give your answer to one decimal place.
29%
A loan of $6,000 is taken at an interest rate of 6% per year. How much interest will be paid after 3 years?
1080
Three friends won a prize of $1520. How much money did each of them win if they contributed to the price of ticket in the ratio 2:5:9 to buy the winning ticket?
$190, $475, $855
Calculate the fuel consumption (in L/100 km) for the following:
a sedan using 35 L of petrol for a trip of 252 km
13.89L/100km
Bank A offers an interest rate of 7.8% on investments, while Bank B offers an interest rate of 7.4% in the first year and 7.9% in subsequent years. If a customer has $20000 to invest for 3 years, which is the better investment?
Bank a = 24680
bank b = 24640
bank a is better
Olivia saved $35 on the books she purchased, which were originally priced at $187.
How much did she pay for the books and What percentage, correct to 1 decimal place, did she save from the original price?
Spent $152 and 18.7%
A car travels a distance of 240 miles in 4 hours. What is the average speed of the car in miles per hour?
60m/h