3. A garrison had sufficient food for 460 soldiers for 40 days. After 10 days, 140 more
soldiers came to the fort. How many days will the provisions last at the same rate?
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Answer:
460 soldiers = 40 days
140 soldiers = d
*let the days be d
460 x 40 = 140 x d
18400 = 140 d
18400÷140 = d
approx 131 days
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