help me to solve this question
Attachments:
Answers
Answered by
0
Answer:
(a - b) (a + b)
Step-by-step explanation:
this is a formula
Answered by
0
Answer:
17 rooms are required.
Step-by-step explanation:
simply we can find the lcm that is least common multiple (a number which can divide all these digits). which is 15
for finding number of room we can find how much time does 15 divide 45,75 and 135 that is 3,5 and 9 respectively after that we add these numbers to find total number of rooms required that is 3+5+9= 17
Similar questions