If 12 members family spend Rs. 850 in 10 days. Then a family of 8 people will spend Rs. 340 in how many days.
Answer: 6
Explanation
Given:
-
12 people → Rs. 850 in 10 days
-
8 people → Rs. 340 in ? days
Let the required number of days be x.
Use the formula for compound proportion:
12×10.850=8×x/340
Step 2: Solve the equation
120./850=8x/340
Cross-multiply:
120×340=850×8x⇒40800=6800x⇒x=40800/6800=6
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