Question

divide. give the exact answer, written as a decimal.
$\dfrac{51.15}{0.75}$

Explanation:

Step1: Eliminate decimals in divisor

Multiply dividend and divisor by 100:
$51.15 \times 100 = 5115$, $0.75 \times 100 = 75$
Now solve $5115 \div 75$

Step2: Simplify the division

Rewrite as fraction:
$\frac{5115}{75} = \frac{5115 \div 15}{75 \div 15} = \frac{341}{5}$

Step3: Convert to decimal

Divide numerator by denominator:
$341 \div 5 = 68.2$

Answer:

68.2