at a greengrocer two bananas and one apple cost £1.12

one banana and one apple cost £0.70
how much does 1 apple cost

Let's assume the cost of one apple is x and the cost of one banana is y.

According to the given information, we can set up two equations:

Equation 1: 2y + x = 1.12
Equation 2: y + x = 0.70

Now, we can solve these equations to find the value of x (the cost of one apple).

To do that, let's subtract equation 2 from equation 1:
(2y + x) - (y + x) = 1.12 - 0.70
y = 0.42

So, the cost of one apple is £0.42.

thats wrong

Apologies for the mistake. Let's redo the calculation correctly.

Let's assume the cost of one apple is x and the cost of one banana is y.

According to the given information, we can set up two equations:

Equation 1: 2y + x = 1.12
Equation 2: y + x = 0.70

Now, to solve these equations, let's subtract equation 2 from equation 1:

(2y + x) - (y + x) = 1.12 - 0.70
y = 0.42

Now, let's substitute the value of y into equation 2:

0.42 + x = 0.70

Subtracting 0.42 from both sides:

x = 0.70 - 0.42
x = 0.28

Therefore, the cost of one apple is £0.28.

Let's solve this step-by-step.

Let's assume the cost of one banana is "b" and the cost of one apple is "a".

According to the given information:
2 bananas + 1 apple = £1.12 --> 2b + a = £1.12 (Equation 1)
1 banana + 1 apple = £0.70 --> b + a = £0.70 (Equation 2)

Now, we can solve these two equations to find the cost of one apple.

Step 1: Subtract Equation 2 from Equation 1 to eliminate "b".
(2b + a) - (b + a) = £1.12 - £0.70
b = £0.42

Step 2: Substitute the value of "b" into Equation 2 to find the cost of one apple.
£0.42 + a = £0.70
a = £0.70 - £0.42
a = £0.28

Therefore, one apple costs £0.28.