35r+10+20p
you would multiply by 5 to all the numbers in the parantheses
1 decade = 10 years, so 11 decades would equal 110 years. 1 century is equal to 100 years. Therefore, there are more years in 11 decades than there are in one century.
You could have -1(4n - 6)
They’re equivalent because 3 • 3 is 9 and whatever you do to the top, you do to the bottom, therefore 4 • 3 is 12. That would equal 9/12.
It took him 20 seconds to fill out each one of those balloons. 20x3=60 seconds= 1 minute
