A tap supplies water at 30°C while another supplies at 86°C. If a man wishes...

WAEC 1994

A tap supplies water at 30°C while another supplies at 86°C. If a man wishes to bath with water at 44°C, calculate the ratio of mass of hot water to that of cold water required

A. 1:3
B. 3:1
C. 3:7
D. 7:3
E. 15:8

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Correct Answer: Option A

Explanation

\(M_Hc\theta_{H} = M_cc\theta_c\)
\(M_h(86-44) = M_c(44-30)\) thus giving 1:3

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A tap supplies water at 30°C while another supplies at 86°C. If a man wishes...

Correct Answer: Option A

Explanation

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