Answer:
The weighted average is of 69.94.
Step-by-step explanation:
Weighted average:
The weighed average is found multiplying each grade by its respective weight.
The grades, and weights are:
67 on the lab, with a weight of 23% = 0.23
69 on the first major test, with a weight is 21.5% = 0.215
85 on the second major test, with a weight is 21.5% = 0.215.
63 on the final exam, with a weight of 34% = 0.34.
Weighted average:

The weighted average is of 69.94.
Answer:
hmmmm bilmim weantremlo ?
Answer:
7.6
Step-by-step explanation:
you just need to multiply 3.8 × 2= 7.6
Answer:
12.
Step-by-step explanation:
20% is equal to .2 as a decimal.
When the question askes 20% OF 60, we know it means multiplying.
We do .2 x 60 and get 12 as our answer.
So, 20% of 60 is 12.
Hope this helps :)