Mathematics · Arithmetic & Algebra
The ratio of 250 g to 1 kg is:
A1:2B1:3C1:4D1:5
Why? Convert 1 kg to 1000 g, so 250:1000 simplifies to 1:4.
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Why? Convert 1 kg to 1000 g, so 250:1000 simplifies to 1:4.
Why? 2x = 12, so x = 6.
Why? It is an inverse proportion: 5 × 12 = 60 worker-days, so 60 ÷ 3 = 20 days.
Why? 15% of 240 = 0.15 × 240 = 36.