Question

Five cakes cost £4.00 how much do 7 cost

Answer 1

Greetings!

We can solve this by creating an algebraic equation.
$5/4=7/x$
Cross Multiply.
$5*x=4*7$
$5x=28$
Divide both sides by 5.
$(5x)/5=(28)/5$
The Answer Is:
$x=5.6$

Seven cakes would cost $5.60.

Hope this helps.
-Benjamin