Dave tiled his bedroom floor which is 80 sq. ft. He had 4 rows of tiles with 10 tiles in each row. How many tiles did Dave use to tile a floor of 100 sq. ft? Solve using unit rate

answer: 88

step-by-step explanation:

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

ya

1 mph

step-by-step explanation:

if the question is asking how much does she drive per mile then,

13 / 13 = 1 mph