Answer:
120 sq. units
plus them all and add 100
Answer:
3a+2b+4
Step-by-step explanation:
24ab indicates that there is 24 of unit ab which there is not. there is 4+ 3a+2b
Using a calculator: cos 70 deg = 0.342. Note: it sounds as tho' you were given several answer options. Where are they?
Answer:
12 cleaners
Step-by-step explanation:
8 cleaner can clean in 3 hours = 1 office
1 cleaner can clean in 3 hours =
part of job
1 cleaner can clean in 1 hours =
part of job
Let the number of cleaner required to finish the job in 2 hours = x
hence
x cleaner can clean in 1 hours =
part of job
x cleaner can clean in 2 hours =
part of job
Hence




Hence we need 12 men to complete the same job in 2 hours
-3 ? i think if it’s wrong i’m sorry