The previous statements are examples of number sentences, A number sentence is a statement of equality
between two
expressions.
A number sentence is said to be true if both numerical
expressions are
If both numerical expressions don't equal the same
number, we say the number sentence is
True and false statements are called truth values.

answer: 1722

step-by-step explanation:

given: the mass of saturn=

the mass of mercury=

the number of times the mass of saturn is greater than the mass of mercury

hence, the mass of saturn is 1722 times greater than the mass of mercury.

a

step-by-step explanation:

jjddbdhid r

b

step-by-step explanation:

u take $75 minus $60.the anwer/original($75)multiply by 100

ratio is 2 : 9

the answer is three

13.5 : 3