Ratios

Divide:
a) 250 CZK in the ratio 2:3
b) 1000 CZK in the ratio 4:7:9

Correct result:

a1 =  100
a2 =  150
b1 =  200
b2 =  350
b3 =  450

Solution:

a1=250⋅ 2/(2+3)=100a_1=250 \cdot \ 2/(2+3)=100
a2=250⋅ 3/(2+3)=150a_2=250 \cdot \ 3/(2+3)=150
b1=1000⋅ 4/(4+7+9)=200b_1=1000 \cdot \ 4/(4+7+9)=200
b2=1000⋅ 7/(4+7+9)=350b_2=1000 \cdot \ 7/(4+7+9)=350
b3=1000⋅ 9/(4+7+9)=450b_3=1000 \cdot \ 9/(4+7+9)=450

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