Please help i need qn1!!

1a)

b) 8.47 (3 s.f.)

Step-by-step explanation:

If y is inversely proportional to x, then , where k is a constant.

Since m is inversely proportional to ,

, where k is a constant.

When n=3,

when n=11,

Since the sum of the values of m when n=3 and n=11 is 32,

a)

b) When m=16,

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