Answer:
The number 1 is not necessary when expressing powers of one. For example, you needn't write "5" as
.
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
Use cross-multiplication method:
If 2.25 is 27, 1 is x.
So divide 27 by 2.25 which gives 12.
Answer:
28 eggs
Step-by-step explanation:
Total no of eggs laid by a turtle = 70
Hatched eggs fraction
We need to find the eggs that did not hatch.
Hatched eggs,

Not hatched eggs = total eggs - hatched eggs
Not hatched eggs = 70 - 42
= 28
Hence, 28 eggs did not hatched.
A ratio indicates how many times one number contains another examples 4:3 2:3