Question

Choose the correct option:

${30}^{\circ }C=$________

• A. ${68}^{\circ }F$
• B. ${86}^{\circ }F$
• C. ${54}^{\circ }F$
• D. ${32}^{\circ }F$

Answer 1

The correct option is B ${86}^{\circ }F$

${30}^{\circ }C$ $=[(30\times \frac{9}{5})+32]$${}^{\circ }F$
$={(6\times 9+32)}^{\circ }F$
$=(54+32){}^{\circ }F$
$={86}^{\circ }F$