Answer:
20x+80
10/21
Step-by-step explanation:
20*x+20*4
5*2=10
7*3=21
Answer:b2254
I took the test and it's 891 ft. :)
4n + 4
Azhar - n years old now.
Last year he was (n-1).
His mother was 4(n -1) last year.
Now his mother 4(n-1) + 1.
7 years later she will be 4(n - 1) + 1 + 7 = 4n - 4 + 8 = 4n + 4
Answer:3(7)+2=23. 21+2=23
