Answer:
70cm
Step-by-step explanation:
46 -2c
46 decreased by means 46 minus
Twice c would be c times 2
What the two or more numbers or amounts? Something needs to be compared
Answer:

Step-by-step explanation:
we know that
When we compare positive fractions with the same numerator, the largest rational number will be the fraction with the lowest denominator
In this problem we have
and 
Both numerator are equal
Compare the denominators

therefore
is the largest rational number
A non-terminating and no -repeating decimal