Question

1. \\(\frac{3}{4}r + 2.5r + 6 - 1.2\\)

Explanation:

Step1: Convert fraction to decimal

$\frac{3}{4}r = 0.75r$

Step2: Combine like terms for r

$0.75r + 2.5r = (0.75 + 2.5)r = 3.25r$

Step3: Combine constant terms

$6 - 1.2 = 4.8$

Step4: Combine results

The simplified expression is $3.25r + 4.8$ (or can be written as $\frac{13}{4}r + 4.8$ if we prefer fraction for the coefficient of r)

Answer:

$3.25r + 4.8$ (or $\frac{13}{4}r + \frac{24}{5}$)