The length of a line is 63 centimetres, correct to the nearest centimetre. (a) Write down the least possible length of the line.
62.5 cm
If m and n are irrational numbers, and (m)(n)=30, find possible values of m and n.
square root of 45 and square root of 20
A field is in the shape of a rectangle. The length of the field is 340 m, to the nearest metre. The width of the field is 117 m, to the nearest metre. Calculate the upper bound for the perimeter of the field.
916 m
The price of a motorbike is 1,500$. How much do you need to pay if you get a 10% discount?
$1350
The price of a t-shirt is 50$. If you buy 4 shirts, you will get 10% discount. How much do you have to pay if you buy 8 shirts?
$360
Last year the 6th grade had 350 students. This year the number decreased 36%. How many students are in this year’s 6th grade class?
224
Enrollment in the Ski/Snowboard Club increased by 30% this year. There are now 182 students in the club. How many students were there last year?
140