An article when sold at a profit of 5% yields Rs 15 more than when sold at a loss of 5%, what was its cost price? Plz help me by step by step method.

the solution is h=10 because you add 9 to each side of the equation.

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles

step-by-step explanation:

6.48/4 4 goes into 6.48 1.62 times