Question

simplify.
4.8d + 3.8d

Explanation:

Step1: Factor out common variable

$4.8d + 3.8d = (4.8 + 3.8)d$

Step2: Add the coefficients

$4.8 + 3.8 = 8.6$

Step3: Combine with variable

$8.6 \times d = 8.6d$

Answer:

$8.6d$