The price of a television set with 6% GST is $3180.
- How much does Adam have to pay if the GST is increased to 12%?
- How much more must Adam pay because of the GST increase?
(a)
Price of the television set with 6% GST
= 100% + 6%
= 106%
106% → $3180
1% → 3180 ÷ 106 = $30
100% → 100 x 30 = $3000
Price of the television set with 12% GST
= 100% + 12%
= 112%
Amount that Adam has to pay
= 112% x 3000
=
112100 x 3000
= $3360
(b)
Amount more that Adam must pay because of the GST increase
= 3360 - 3180
= $180
Answer(s): (a) $3360; (b) $180