Answer:
9(4+5)
Step-by-step explanation:
Find the common divider of 36 and 45 and put the numbers in the brackets
Check the picture below.
let the number = x
x*80/100 = 55
x = 5500/80
x=68.75
After rounding off, it will remain 68.75
140
this is because of alternate suplementry lines
