You find one quarter, two dimes, and two nickels. a. Write the dollar amount as a decimal.

b. Write the dollar amount as a fraction in simplest form.

a: 0.55

b:11/20

Step-by-step explanation:

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Step-by-step explanation:

one quater equals 25cents

two dimes equals 20 cents

two nickles equals 10 cents

if you add all together you get 0.55 cents

0.55 as a fraction is 11/20

true statements:

a) x + y = y + x   ⇒ commutative property of addition

b) (x * y) * z = x * (y * z) ⇒ associative property of multiplication

d) (x + y) + z = x + (y + z) ⇒ associative property of addition

false statements:

c) x - y = y - x   should be: x - y = - y + x

e) (x - y) - z = x - (y - z) should be: (x - y) - z = x - (y + z)

step-by-step explanation: