Question

Hillary changes the oil in her car after every 6,000 kilometers. If Hillary drives 970 kilometers each month, about how many months will pass between each oil change?

Answer 1

plz. help

Answer 2

Let x = number of months

Answer 3

In one month, she drives 970*1 = 970 km

In 2 months, she drives 970*2 = 1940 km

In 3 months, she drives 970*3 = 2910 km

...
...

So in x months, she drives 970x kilometers

Answer 4

Simply set this equal to 6000 and solve for x

Answer 5

So you need to solve 970x = 6000

Answer 6

it is 6 months

Answer 7

Roughly 6.1856 months, so if you round down, then yes...it's roughly 6 months

Answer 8

thanks so much

Answer 9

yw