Question

The temperature in Los Angeles has dropped by 2°C in the past 2 days. Write the algebraic expression for this temperature reduction.

• A. T°C $-$2°C
• B. T°C $+$2°C
• C. T°C $\times$2°C
• D. T°C $÷$2°C

Answer 1

The correct option is A T°C $-$2°C

Let the temperature before 2 days be T°C .
Fall in temperature = 2°C
Expression for reduction in temerature = temperature before 2 days - fall in temperature
= T°C - 2°C