Question

A house cleaning company charges a constant rate for each hour of cleaning. They charge $135 for 3 hours of cleaning.

Number of hours cleaning
Amount charged for cleaning (in dollars)
3
$135
18


How much would the company charge for 18 hours of cleaning?

$675
⊝

$810
⊝

$2,430
⊝

$45
⊝

Answer 1

Option b $810
135/3 = 45
45 x 18 = $810

Answer 2

Answer: $810 (B)

Step-by-step explanation: first youd need to find how much they pay for 1 hour. In this case, itd be 135/3 = 45. now multiply by 18 (because 1 hr x 18 = 18 hrs). this would get you to 810.