Answered

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A watermelon weighs 2.5 kg and is 98% water. After being left out in the sun, it loses
some water and now only 80% of it is water. How much does the watermelon weigh
now?

Sagot :

Someone2417idn

Answer:

watermelon's weight = 2.05 kg

Step-by-step explanation:

watermelon = 2.5 kg

water = 98% of 2.5 kg

pulp = 2% of 2.5 kg

1% = 2.5 ÷ 100

1% = 0.025

water = 0.025 × 98

water = 2.45 kg

pulp = 0.05

water = 98% - 18% = 80%

water = 2.45 - 0.45 = 2 kg

water + pulp = 2 kg + 0.05

= 2.05 kg

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