3 A group of coins has 27 pennies, 9 nickels, 15 dimes and 21 quarters. Which statements are

correct?

Select TWO correct answers. *

(20 Points)

The ratio of dimes to pennies is 9:5.

The ratio of nickels to quarters is 3:9.

The ratio of quarters to pennies is 7:9.

The ratio of pennies and nickels to quarters is 21:36.

The ratio of quarters to total coins is 7:24.

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this

positive

step-by-step explanation:

the quadrant is facing upwards

just sum

10 + 10 = 20

here is a big fat