Answer:
Step-by-step explanation:
You need to find the HCF of 36 and 90.
<u>Prime factors of each:</u>
<u>HCF includes all prime factors of both numbers:</u>
- HCF(36, 90) = 2*2*3*3*5 = 180
Answer:
1 hour 24 minutes
Step-by-step explanation:
49/35=1.4
It can go into 136 4 times. Just do 136 divided by 34. It's even enough to go into it.
Answer:
220=2²x5 x 11
Step-by-step explanation:
Answer:
3 students
Step-by-step explanation:
If everyone in the class has either a pierced nose or ear, we just simply have to add up the total number of hands raised and minus the number of students in the class.
35+8=43
43-40=3
3 students have both a pierced nose and pierced ear.
