Question 1186459
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How much coffee costing P40 per kilo must be added to 150 kilos costing P48 per kilo to make a mixture costing P45 per kilo?
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How much coffee costing  L per kilo must be added to V kilos costing H per kilogram to make a mix costing T per kilogram?
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u, amount of coffee priced at L to add
u+V, amount of mixture in kilograms
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L = P40 per kilo
H = P48 per kilo
V = 150 kilos
T = P45 per kilo


{{{highlight_green(uL+VH=T(u+V))}}}

{{{Lu+HV=Tu+TV}}}

{{{Tu-Lu=HV-TV}}}

{{{(T-L)u=V(H-T)}}}

{{{highlight_green(u=V((H-T)/(T-L)))}}}



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{{{highlight_green(u=150((48-45)/(45-40)))}}}

{{{u=150(3/5)}}}

{{{highlight(u=90)}}}