Question

which numerical expression represents twenty less than the quotient of eighteen and 13.8?
a) $18 \div 13.8 - 20$
b) $20 - 18 \div 13.8$
c) $20 - 18(13.8)$
d) $18(13.8) - 20$

Explanation:

Step1: Identify the quotient

The quotient of 18 and 13.8 is $\frac{18}{13.8}$ (or $18 \div 13.8$).

Step2: Subtract 20 from the quotient

"Twenty less than" this quotient means subtract 20 from the result of the division: $18 \div 13.8 - 20$.

Answer:

A) $18 \div 13.8 - 20$