2025 - DUE 30 July 2025; 100% correct solutions and
explanations.
QUESTION 1
1.1 A tractor travels 90 km on 18 liters of fuel. How much fuel for 130
km? (3)
Step 1: Find the fuel used per km
18 𝑙𝑖𝑡𝑒𝑟𝑠90 𝑘𝑚
= 0.2 𝑙𝑖𝑡𝑒𝑟𝑠/𝑘𝑚\𝑓𝑟𝑎𝑐{18 \𝑡𝑒𝑥𝑡{ 𝑙𝑖𝑡𝑒𝑟𝑠}}{90 \𝑡𝑒𝑥𝑡{ 𝑘𝑚}}
= 0.2 \𝑡𝑒𝑥𝑡{ 𝑙𝑖𝑡𝑒𝑟𝑠/𝑘𝑚}90 𝑘𝑚18 𝑙𝑖𝑡𝑒𝑟𝑠 = 0.2 𝑙𝑖𝑡𝑒𝑟𝑠/𝑘𝑚
𝑺𝒕𝒆𝒑 𝟐: 𝑴𝒖𝒍𝒕𝒊𝒑𝒍𝒚 𝒃𝒚 𝟏𝟑𝟎 𝒌𝒎
130 × 0.2 = 26 𝑙𝑖𝑡𝑒𝑟𝑠130 \𝑡𝑖𝑚𝑒𝑠 0.2 = 26 \𝑡𝑒𝑥𝑡{ 𝑙𝑖𝑡𝑒𝑟𝑠}130 × 0.2
= 26 𝑙𝑖𝑡𝑒𝑟𝑠
✅ 𝑨𝒏𝒔𝒘𝒆𝒓: 𝟐𝟔. 𝟎𝟎 𝒍𝒊𝒕𝒆𝒓𝒔
𝟏. 𝟐 𝟕 𝒌𝒈 𝒐𝒇 𝒕𝒐𝒎𝒂𝒕𝒐𝒆𝒔 𝒄𝒐𝒔𝒕 𝑹𝟓𝟔, 𝟔𝟑. 𝑯𝒐𝒘 𝒎𝒖𝒄𝒉 𝒇𝒐𝒓 𝟏𝟎 𝒌𝒈? (𝟑)
𝑺𝒕𝒆𝒑 𝟏: 𝑭𝒊𝒏𝒅 𝒕𝒉𝒆 𝒑𝒓𝒊𝒄𝒆 𝒑𝒆𝒓 𝒌𝒈
56.637 = 8.09 (𝑟𝑜𝑢𝑛𝑑𝑒𝑑 𝑡𝑜 2 𝑑𝑒𝑐𝑖𝑚𝑎𝑙 𝑝𝑙𝑎𝑐𝑒𝑠)\𝑓𝑟𝑎𝑐{56.63}{7}
= 8.09 \𝑡𝑒𝑥𝑡{ (𝑟𝑜𝑢𝑛𝑑𝑒𝑑 𝑡𝑜 2 𝑑𝑒𝑐𝑖𝑚𝑎𝑙 𝑝𝑙𝑎𝑐𝑒𝑠)}756.63
= 8.09 (𝑟𝑜𝑢𝑛𝑑𝑒𝑑 𝑡𝑜 2 𝑑𝑒𝑐𝑖𝑚𝑎𝑙 𝑝𝑙𝑎𝑐𝑒𝑠)
𝑺𝒕𝒆𝒑 𝟐: 𝑴𝒖𝒍𝒕𝒊𝒑𝒍𝒚 𝒃𝒚 𝟏𝟎 𝒌𝒈
10 × 8.09 = 80.9010 \𝑡𝑖𝑚𝑒𝑠 8.09 = 80.9010 × 8.09 = 80.90
✅ 𝑨𝒏𝒔𝒘𝒆𝒓: 𝑹𝟖𝟎. 𝟗𝟎