Question

Carlos has \dfrac45
5
4
​
start fraction, 4, divided by, 5, end fraction of a tank of fuel in his car. He uses \dfrac{1}{10}
10
1
​
start fraction, 1, divided by, 10, end fraction of a tank per day.
How many days will his fuel last?
days

Answer 1

Step-by-step explanation:

First, I'm going to convert

4

5

to a number that works with

1

10

. All i'm going to do is multiply the numerator and denominator by

2

.

4

5

×

2

2

=

8

10

If Carlos uses

1

10

of fuel everyday. Assuming it's

1

10

of the max, not the current fuel, he will last 8 days.