A solution is to be kept between and

MATHEMATICS · Subjective · CBSE · Mathematics · Proportional Reasoning · Proportional Reasoning

Problem

11. A solution is to be kept between

68^{\circ} \mathrm{F}

and

77^{\circ} \mathrm{F}

. What is the range in temperature in degree Celsius (C) if the Celsius / Fahrenheit (F) conversion formula is given by

\mathrm{F}=\frac{9}{5} \mathrm{C}+32 ?