Crowns

1180 crowns are divided into three: A got 20% less than B, and C got 15% more than B. How many got A, B, and C?

Final Answer:

A =  320
B =  400
C =  460

Step-by-step explanation:

r1​=100%−20%=1−10020​=0.8 r2​=100%+15%=1+10015​=1.15  A+B+C = 1180 A  = r1​⋅ B C = r2​⋅ B  r1​⋅ B + B + r2​⋅ B = 1180  B=r1​+1+r2​1180​=0.8+1+1.151180​=400  A=r1​⋅ B=0.8⋅ 400=320
C=r2​⋅ B=1.15⋅ 400=460

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