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ICSE Class 7 Answered

If 5 people spend Rupees 5,000 on food for 10 days, how many people will spend Rupees 10,000 on food for 4 days?
Asked by dhakankar | 25 Jun, 2023, 07:02: PM
answered-by-expert Expert Answer
Since, 5 people spends rs. 5000 for 10 days
i.e. 5 people spned rs. 5000/10 = rs. 500 in 1 day
i.e. an individual will spend 500/5 = rs. 100 in 1 day
 
Now, rs. 10,000 is spent in 4 days.
So, money spent in 1 day = rs. 2500
Since, an individual spends rs. 100 in day
So, number of people required = 2500/100 = 25
 
Alternate method:
Suppose space apostrophe straight x apostrophe space people space will space spend space rs. space 10 comma 000 space on space food space in space 4 space days
fraction numerator 5000 over denominator 5 cross times 10 end fraction equals fraction numerator 10000 over denominator straight x cross times 4 end fraction
rightwards double arrow 4 straight x equals 100
rightwards double arrow straight x equals 25
Answered by Renu Varma | 26 Jun, 2023, 09:58: AM
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