Allegra counted 10 red cards and 20 black cards in a deck of cards. What is
the ratio of red cards to black cards?
A 1:1
B 1:2
C 2:1

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

The acceleration of an object due to gravity is 32 feet per second squared.what is acceleration due to gravity in inches per second squared?

Need showing work for this problem 56.25 ×25.80