Answer:
The answers are:
A) 4.23 years
B) 1.08 years
C) Off course I would recommend Dave and Ellen to install these safety items, not only because they save money but also because they are very useful.
Explanation:
The cost of the deadlocks including installation is $110 for each exterior door ($220 total). The cost for installing smoke detectors is $24 for each floor ($48 total).
The discount that Dave and Ellen can get is
- $52 per year for installing the deadlocks
- $26 per year for installing the smoke detectors
A) It will take Dave and Ellen 4.23 years ($220/$52) to recover the money spent on the deadlocks.
B) It will take Dave and Ellen 1.08 years ("26/$24) to recover the money spent on the smoke detectors.
The oil is denser
the water and vinegar are not as dense
<span>When Callie developed a detailed description of her ideas for a gym and asked for feedback from women about the proposal, she was engaging in? Concept testing. Concept testing is the act of getting opinions/reactions to a product or service prior to the product or service entering the market. This helps gage consumer interest when pulling in a group of potential customers. </span>