Answer :
a) yes because 72,000 divided by 9 is 8,000 and 40,000 divided by 5 is also 8,000
b)yes because 3,600 divided by 12 is 300 and 1800 divide by 6 is also 300
b)yes because 3,600 divided by 12 is 300 and 1800 divide by 6 is also 300