Question

Ming's team cleans 3 animals per hour after an oil

Answer 1

Answer: 2 hours

Step-by-step explanation:

$Mingn's \ team \\\\ 3\ animals -1 h \\\\ 12 \ animals -? h \\\\ ?=\dfrac{12}{3} =\boxed{4 \ hours}$             $Nina's \ team \\\\ 6\ animals -1 h \\\\ 12 \ animals -? h \\\\ ?=\dfrac{12}{6} =\boxed{2 \ hours}$

$\rm Difference: \\\\4-2=\bf 2 h$

Answer 2

Answer:

• 2 hours longer

Step-by-step explanation:

Time Ming's team needs:

• 12/3 = 4 hours

Time Nina's team needs:

• 12/6 = 2 hours

The difference:

• 4 - 2 = 2 hours