Answer:
Step-by-step explanation:
$240 are the money she saved in 32 weeks.
$240/32weeks = $7.5/ 1 week
The unit rate $7.5/ 1 week, represents how much money was saved each week. Each week was saved $7.50
Answer:
4/15
Step-by-step explanation:
1) find common denominator, 15 in this problem
2) solve

Answer:
144
Step-by-step explanation:
Multiples of 36:
36, 72, 108, 144, 180, 216
Multiples of 48:
48, 96, 144, 192, 240
Multiples of 72:
72, 144, 216, 288
Therefore,
LCM(36, 48, 72) = 144
Hope this helps!