Can some one me
1.wanyne brought an engagement ring for tracey.
the total cost of the ring was £420 plus vat at 17 1/2%
i need your

If we want to calculate the full prize we need to calculate how much the tax was:

420* 17%=420*=420*=21*=73.5

so this is how much the tax was.

and the full prize is the cost of the ring and the tax: 420+73.5=493.5

so that's how much the buyer will pay