Top answers

If I have £730 in my bank account which has 2.5% compound interest per year, how much more money will be in there after two years?

AFTER 1 YEAR : interest = £730 x 0.025 = £18.25 Rotal money in my account = £730 + £18.25 = £748.25. AFTER 2 YEARS: interest = £748.25 x 0.025 = £18.706 Total money in my account = £766.96 (remember to round...
SH
Answered by Sally H. • Maths tutor
4596 Views

Given 4x+7y=25 and 2x+5y=17, identify x and y by solving the simultaneous equations

First thing we have to do is to eliminate one of the variables, either x or y (it doesn’t matter which one). In order to achieve that, we aim to have the same co-efficient (number in front of x or y) of a va...
AO
Answered by Andreas O. • Maths tutor
8541 Views

Given 6x+2y=4 and 5x+y=8, solve the simultaneous equations to find x and y.

The key here is to eliminate one of the variables; it doesn't matter whether we start by trying to get rid of x or y we will arrive at the same solution. For us to eliminate either x or y it is easiest to fi...
RM
Answered by Rebecca M. • Maths tutor
8767 Views

Solve the Simultaneous Equations -3X + 4Y=11 & X-2Y = -5 to find the values of X and Y

Simultaneous Equations are equations involving 2 or more unknowns that have the same value in each equation. The aim is to eliminate all but one unknown. This will then allow us to find the value of the non ...
EU
Answered by Emehakon U. • Maths tutor
14093 Views

A price is decreased by 27% The new price is £1138.80 Work out the original price.

This can be solved by making an equation for the old price. Make the old price be equal to x. To find the new price the old price must be multiplied by the percentage of the old price that remains. To find t...
OG
Answered by Oliver G. • Maths tutor
4945 Views