Question

The relationship between the total amount spent on food and drinks by the customers that a waiter serves at a restaurant during a particular week and the waiter's total income for that week can be modeled by the equation y = 0.2x + 300, where x is the amount spent by the customers in dollars and y is the waiter's total income in dollars. By how much does the waiter's weekly income increase for every $500 spent by his customers during that week?

A
$100

B
$300

C
$400

D
$500

Answer 1

A

320

B

360

C

380

D

400

Explanation:

You would insert your given numbers to x and solve.

Example (A)

y=100(0.2) + 300

y=20 + 300

y=320

If you would like me to explain the rest just ask!

Hope this helps! :))