Finance & rates revision (multi-step)

The Mokoena family drive to Durban at a constant average speed. The average speed is 80 km/h. The trip takes 120 minutes. The car uses 5 ℓ per 100 km. Petrol costs R21,95 per litre.

The Mokoena family drive to Polokwane at a constant average speed. The average speed is 60 km/h. The trip takes 90 minutes. The car uses 10 ℓ per 100 km. Petrol costs R22,35 per litre.

Neo is buying a cricket bat from an online store. VAT at 15% is added at the till. The marked price is R6 944. The shop gives $a30\%$ discount on the marked price.

Katlego is buying a skateboard from a Durban sports store. VAT at 15% is added at the till. The marked price is R5 944. The shop gives $a25\%$ discount on the marked price.

Sibusiso is buying a gaming headset from a Bloemfontein boutique. VAT at 15% is added at the till. Sibusiso and Karabo will split the till-slip total in the ratio 2 : 1. The marked price is R7 668. The shop gives $a15\%$ discount on the marked price.

Sibusiso is buying a skateboard from an online store. VAT at 15% is added at the till. Sibusiso and Karabo will split the till-slip total in the ratio 2 : 3. The marked price is R8 585. The shop gives $a40\%$ discount on the marked price.

Neo is buying a wristwatch from a Cape Town outlet. VAT at 15% is added at the till. Neo and Lesedi will split the till-slip total in the ratio 1 : 2. The marked price is R3 624. The shop gives $a10\%$ discount on the marked price.

Sibusiso is buying a skateboard from an online store. VAT at 15% is added at the till. Sibusiso and Junior will split the till-slip total in the ratio 2 : 5. The marked price is R6 641,60. The shop gives $a25\%$ discount on the marked price.

Sibusiso is buying a soccer kit from a Durban sports store. VAT at 15% is added at the till. The marked price is R2 215. The shop gives $a40\%$ discount on the marked price.

The Botha family drive to Upington at a constant average speed. The average speed is 100 km/h. The trip takes 180 minutes. The car uses 8 ℓ per 100 km. Petrol costs R23,05 per litre.

Thabo is buying a wristwatch from a Durban sports store. VAT at 15% is added at the till. Thabo and Lerato will split the till-slip total in the ratio 2 : 1. The marked price is R7 548. The shop gives $a15\%$ discount on the marked price.

Amahle is buying a duvet set from a Cape Town outlet. VAT at 15% is added at the till. Amahle and Lesedi will split the till-slip total in the ratio 2 : 3. The marked price is R2 510. The shop gives $a40\%$ discount on the marked price.