Question

grade item grade weight assignments 47 2 midterm 1 64 6 midterm 2 96 6 final exam 90 10 weighted average:

Explanation:

Step1: Calculate the product of each grade and its weight

$47\times2 = 94$, $64\times6=384$, $96\times6 = 576$, $90\times10=900$

Step2: Calculate the sum of the products

$94 + 384+576+900=1954$

Step3: Calculate the sum of the weights

$2 + 6+6+10=24$

Step4: Calculate the weighted - average

$\frac{1954}{24}\approx81.42$

Answer:

$81.42$