Which two numbers round to 480,000 when rounded to the nearest ten thousand?

a and b

Step-by-step explanation:

B and C

Step-by-step explanation:

Remember: 5 or more-> Rounds up, Less than 5-> Rounds down

A. Incorrect, would round down to 470,000 due to it being 472 in the thousands place

B. Correct, would round up to 480,000 due to it being 476 in the thousands place

C. Correct, would round down to 480,000 due to it being 482 in the thousands place

D. Incorrect, would round up to 490,000 due to it being 485 in the thousands place

E. Incorrect, would round up to 490,000 due to it being 487 in the thousands place

Hope it helped! (:

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.