Search our library of Maths questions

Top answers

Maths

All levels

Jodie works for a bookshop. She is paid £6.50 an hour plus 5% of the cost of each book she sells. On Saturday, Jodie worked for 3 hours and sold £220 worth of books. How much money did Jodie earn?

We can break down this question in to two parts. Firstly we should work out how much Jodie earns for the hours that she worked. Since she worked 3 hours on Saturday to work out how much she was paid we ha...

Answered by Fizzah A. • Maths tutor

3074 Views

There are 25 CDs in a box. A shop orders 14 boxes. How many CDs did the shop order?

Here we have to find out the total number of CDs that the shop ordered. One box has 25 CDs and the shop has ordered 14 boxesSo, to work it out the total we have to multiply 14 by 25, this can be solved by...

Answered by Fizzah A. • Maths tutor

3332 Views

What is the next number in this sequence? 10, 13, 20, 31, 46, ...

Analyse the sequence to find the second order difference.10 13 20 31 46 75 3 7 11 15 19 4 4 4 4

Answered by Frank D. • Maths tutor

5219 Views

Given that y = 5, solve the following equation for x, 9x - 3y = 97 - 5x

Subsitute y for 5 to give 9x - (3 * 5) = 97 - 5xCalculate the brackets 9x - 15 = 97 - 5xAdd 15 to both sides 9x = 112 - 5xAdd 5x to both sides 14x = 112Divide both sides by 14 x = 8

Answered by Frank D. • Maths tutor

2966 Views

Solve for x, 4x+3.5 = 1

First, you regroup all numbers which are not factors of x on one side of the equation:
4x = 1 - 3.5
so 4x = - 2.5
Then, you isolate x:
x = - 2.5/4
x = - 5/8 = - 0.625

Answered by Jade S. • Maths tutor

2645 Views