Ide
How old is Mr Ide?
42
Solve x+7=19
x=12
A shirt costs $60 and is discounted by 20%. What is the sale price?
$48
Find the mean of: 5, 7, 8, 10, 10
8
What does BODMAS stand for?
Brackets, Order, Division, Multiplication, Addition, Subtraction
What year did Mr Ide get to WBHS?
2022
Solve
4x-5=23
x=7
Jordan earns $28.50 per hour for a 15-hour working week. What is Jordan’s gross weekly pay?
$427.50
Find the median and range of: 4, 6, 7, 9, 12, 14
median = 8
range = 10
How many cards in a normal deck of cards.
52
How many kids does Mr Ide have?
3
Solve
3(x+4)=2x+17
x=5
Calculate the simple interest earned when $2,400 is invested at 4.5% p.a. for 3 years.
$324
A data set has a lower quartile of 18 and an upper quartile of 31. Calculate the interquartile range.
13
how many dots in total on a standard die?
21
How many minutes have we spent with each other over the last two years?
19200 minutes
The area of a triangle with base 5 m is 25 m2
Find the height of the triangle.
10 m
An investment of $5,000 earns 3.6% p.a. compound interest, compounded annually. What is its value after 4 years?
$5 759.82
The mean of five test scores is 72. Four of the scores are 65, 68, 74 and 79. Find the missing score.
74
How many prime numbers are there between 1 - 20?
8
Who is my favourite student?
I have no favourites
A mobile phone plan charges a fixed monthly fee of $25 plus $0.15 per text message. The total bill was $43.60. Form and solve an equation to determine the number of text messages sent.
25+0.15x=43.60, so
x = 124 messages
A car is purchased for $32,000 and depreciates using the declining-balance method at 15% per year. What is the car’s value after 5 years?
$14 198.57
A data set has a mean of 24 and a standard deviation of 4. A value of 30 is added to every data point. State the new mean.
Mean = 54
What is pi to 5 decimal places?
3.14159