All Operations Integers and Decimals

Eleni withdrew $45 from her savings account.  She then used her debit card to buy groceries for $30.15.  What was the total amount Eleni took out of her account?

• $75.15

• $14.85

• $15.85

• $75

Jacob bought 5 bottles of orange juice at a market. Each bottle cost $2.43. How much did the orange juice cost all together?

• $7.43

• $10.05

• $12.15

• $20.05

Jasir had $21.50 to spend at the store. He spent $0.55 on gum, $3.85 on pencils, and $9.84 on a book. How much money did Jasir have left after buying the gum, pencils, and book?

• $7.16

• $7.26

• $8.26

• $8.36

Explain the error(s).

• -1.2 isn't an integer.

• -2 isn't a whole number and 3.4 isn't a rational number.

• -2 isn't a whole number and -1.2 isn't an integer.

• The numbers are graphed correctly.

3+0=3
is an example of which property?

• Multiplicative Inverse

• Additive Identity

• Multiplicative Identity

• Additive inverse

Identify the property
a + 0 = a

• identity of addition

• identity of multiplication

• inverse of addtion

• multiplication of zero

Is 8.27 rational or irrational?

• Rational

• Irrational

• Both

• None of the above

Identify the property 
a + (-a) = 0

• Inverse of addition 

• Identity of addtion

• associative of addition 

• symmetric

45 x (-5)

When dividing two integer with the same positive sign the answer will have a ____ sign.