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Solve the simultaneous equation 6y+3x=24, 4y+5x=28

30y+15x=120 12y+15x=84 18y=36 y=2 4(2)+5x=28 8+5x=28 5x=20 x=4
JB
Answered by Jake B. • Maths tutor
3871 Views

Write 180g as a fraction of 3Kg. Give your answer in its simplest form.

When thinking about making a fraction out of two numbers you need to find a common denominator. With this example to be able to compare 180g and 3kg you need to find the common denominator between the two. H...
SA
Answered by Sanae A. • Maths tutor
35982 Views

How do you solve linear inequalities such as: 5x – 2 > 3x + 11

Firstly, I would ask the student if they knew what the first step was. If they did not know, I would suggest that they need to get all the x's on one side of the equation and all the numbers on one side. I w...
MZ
Answered by Max Z. • Maths tutor
4614 Views

Bhavin, Max and Imran share 6000 rupees in the ratios 2 : 3 : 7 Imran then gives 3/5 of his share of the money to Bhavin. What percentage of the 6000 rupees does Bhavin now have? Give your answer correct to the nearest whole number.

each share is 6000 / 12 - Imran's share is 7x this = 3500 rupees. 3500 x 3 / 5 = 2100. 2100/6000 x 100 = 35%
JK
Answered by Jack K. • Maths tutor
8999 Views

How do you solve the quadratic equation x^2+7x+12=0

To solve quadratic equations we first need to factorise the equation into brackets. We can do this by looking at the numbers in the quadratic equation. The only number that isn't an x coefficient is the 12, ...
CD
Answered by Charlie D. • Maths tutor
10974 Views