Answer:
A
Step-by-step explanation:
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3/4th of 2.8gigs is already downloaded meaning 75% of it is downloaded. since there's four boxes and the downloading file is up to 3 boxes it gives you 3/4. so all you have to do is multiply .75x2.8 and the answer is 2.1
Answer:

Step-by-step explanation:
sub in values or b and c
5(2)+3(-3)-20+3(2)-15(-3)+4
=10-9-20+6+45+4
=1+35=36
Answer:
The volume of a bar of gold with a mass of 66.5 grams is 
Step-by-step explanation:
Given , mass(in grams) ∝ Volume (in cm3)
Here, volume of 95 grams bar = 5cm3
So, thevolume of 1 gram bar =
= 
⇒The volume of a bar with weight 66.5 grams = 
So, the volume of a bar of gold with a mass of 66.5 grams is 