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Maths
GCSE

Issy goes to buy some fruit. She has been told by one friend that 2 apples and 3 bananas costs £3.80. She has been told by another friend that 5 apples and a banana costs £3.65. what are the individual costs of an apple and a banana?

To solve this we form two simultaneous equations. To make things easier lets denote apples as A and bananas as B. So this means we can write the above information in two equations like so: EQ1) 2A + 3B = ...

KH
Answered by Kieren H. Maths tutor
3988 Views

Two simultaneous equations are given as 2x + y = 5 and 3x + y = 7. Find the value of x and y.

The unknowns of x and y are the same in each equation, allowing us to combine the two in order to find out their values.The substitution method can be used in most cases if the coefficient is the same wit...

MH
Answered by Megan H. Maths tutor
3488 Views

How do you solve between the two simultaneous equations 2x+y=4 and 3x+2y =6?

First label your two simultaneous equations1)2x+y=42)3x+2y=6Then rearrange 1)1*) y=4-2xNow sub 1*) into 2)3x + 2(4-2x)=6and expand brackets and solve for x3x+8-4x=6-x=-2x=2Now sub x=2 into 1)2(2)+y=4y=0

SK
Answered by Scarlett K. Maths tutor
4056 Views

A and B are on the line 3x+2y=6. At A x=0, what is y? At B y=0, what is x?

To find the y value at A, we know that x is equal to zero. This can be put into the equation of the line so that 3(0)+2y=6. Therefore 2y=6, and to get the y value, we divide each side by 2, giving us y=3 ...

JL
Answered by Jenny L. Maths tutor
2849 Views

Fahima buys 2 packets of bread rolls costing £1.50 for each packet 1 bottle of ketchup costing £1.60 3 packets of sausages Fahima pays with a £10 note. She gets 30p change. Fahima works out that one packet of sausages costs £2.30 Is Fahima right?

Let's denote the price of sausages as S as it's the only unknown.Let's use simple algebra to solve this.To find the total price of all of the items she purchased ( i.e. the value), we multiply price by th...

MC
Answered by Maria C. Maths tutor
11477 Views

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