Both the numerator and denominator can be divided by three, so the simplest form is

.
Answer:
need better explanation for this
7/10 ÷ 1/5 = 3 1/2 because if you just find the reciprocal of the second number (in this case 1/5) and then simply multiply the two numbers straight across after you find the reciprocal, you will need to convert and simplify as needed, and then you get your answer.
X+12 +5x =6x+12 =90
-12 from 90
=78
/6
X=13
Answer:
at least 60 min (1 hour)
Step-by-step explanation:
we know that a lap takes 5 min.
and we know he will run At least 12 laps
that means that the least number of min.he can run is 5x12=60
So, 60min is the answer