Question

Which unit rate is equivalent to 19 miles per gallon?

three gallons over fifty seven miles
fifty seven miles over three gallons
thirty seven miles over four gallons
four gallons over thirty seven miles

Answer 1

@Michele_Laino

Answer 2

@Michele_Laino r u there?

Answer 3

As I wrote before, I think the second option, because:
\[\frac{ 57 }{ 3 }=\frac{ 19 }{ 1 }\]

Answer 4

@77777jeannie77777

Answer 5

yes.. oh now i understand

Answer 6

An oil company fills 1 over 12 of a tank in 1 over 4 hour with gasoline. At this rate, which expression can be used to determine how long will it take for the tank to fill completely?

1 over 4 ⋅ 1 over 12
1 over 12 ⋅ 4
1 over 4 ⋅ 12
12 ⋅ 4

Answer 7

An oil company fills 1 over 12 of a tank in 1 over 4 hour with gasoline. At this rate, which expression can be used to determine how long will it take for the tank to fill completely?
1 over 4 * 1 over 12
1 over 12 * 4
1 over 4 * 12
12 * 4

Answer 8

what do you think @Michele_Laino?

Answer 9

I think the second option, because, you have to calculate:
\[\frac{ \frac{ 1 }{ 12 } }{ \frac{ 1 }{ 4 } }=...\]
please continue

Answer 10

please the first fraction multiply the inverse of the second fraction

Answer 11

so then multiply 1/12 over 1/4 * 1/4 over 1/12?

Answer 12

oops sorry ...multiplies...

Answer 13

so then i was right?

Answer 14

\[\frac{ 1 }{ 12 }*\frac{ 4 }{ 1 }\]

Answer 15

oh...

Answer 16

its 4/12

Answer 17

better is \[\frac{ 1 }{ 12 }*4\]
so the second option

Answer 18

ok, thx :D

Answer 19

thanks!

Answer 20

please, I have to go to have dinner! wait a moment please!