82% = 82/100
38/50 = 76/100
Average of 76 and 82 = 79
Getting a score of 38 out of 50 will hurt his grade, as it will bring the average down to 79%
Answer:
P= 221cm
A=2044
Step-by-step explanation:
Perimeter : add all sides so 73+92+56= 221 cm
Area: 73(56/2)= 2044
Answer:
n<-1
Step-by-step explanation:
Distribute 5 and -5 into each parenthesis respectively: 40n+35<5-5n-15
Combine like terms: 40n+35<-5n-10
Add 5n to both sides: 45n+35<-10
Subtract 35 from both sides: 45n<-45
Divide both sides by 45: n<-1
A best estimate would be 209
1.44 is more than 1.438 so the second brother