Question

Eva and Ola have some amount of money,

Cheryl does not have any money.
Eva gives £7 to Cheryl
Ova gives £5 to Cheryl.
Now, they all have the same amount of money.
How much did Eva had in the first place?

Answer 1

£19

Explanation:

Cheryl = 7 + 5 = £12

this means ova and eva also have £12 at the end

EVA'S ORIGINAL AMOUNT : X -7 =12

X = £19