OpenStax, Prealgebra 2e §7.4 Properties of Identity, Inverses, and Zero · Exercise 53 · Algebra · Functions

Properties of Identity, Inverses, and Zero · Exercise 53

Insurance copayment Carrie had to have $5$ fillings done. Each filling cost $\$ \text{80}. $H er d e n t a l in s u r an cer e q u i r e d h er t o p a y$ 20 \%$ of the cost. Calculate Carrie’s cost

ⓐ by finding her copay for each filling, then finding her total cost for $5$ fillings, and
ⓑ by multiplying $5 (0.20) (80) .$
ⓒ Which of the Properties of Real Numbers did you use for part (b)?

Its source prints no answer for this problem, so there's nothing to check against.

~8 minWritten answer · compare with the solution

OpenStax, Prealgebra 2e · §7.4 Properties of Identity, Inverses, and Zero · Exercise 53

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.