A hobby store is having a promotion on picture frames: buy 3 get the 4th frame at 75% off. Write an expression to represent the total cost for 4 frames in two different ways.

i dont know and i dont care for math bc it is a stupied subject

step-by-step explanation:

answer: a.   one is a factor of every whole number since every number is divisible by itself.

answer: finding the extract measurements and knowing the points

step-by-step explanation:

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