Answer:
28 out of 40
2(20 - x)/40 for x questions wrong
Step-by-step explanation:
total points: 40
total Qs: 20
20-6 = 14
14/20 = 28/40
28
To get Density you do 9.45 divided by 3.5 equaling 2.7 and that is the density
Answer: 1 7/10
Step-by-step explanation: u add 1 3/10 and 2/5
mark as brainly PLSS
Answer:
to estimate the sum you round to the closest number like 38 is closest to 40 so you just say you total is $40.00
difference is when say you have 30 dollars and you spend 10 the difference is 10 dollars