This topic contains a solution. Click here to go to the answer

Author Question: A lawn mower manufacturer claims that one of its new gas-powered lawn mowers will run for 2 hours ... (Read 303 times)

daltonest1984

  • Hero Member
  • *****
  • Posts: 536
A lawn mower manufacturer claims that one of its new gas-powered lawn mowers will run for 2 hours and 40 minutes on 1 quart of gasoline. If the claim is true, how long should this lawn mower run on 3 1/2 quarts of gasoline? 40 minutes is 2/3 of an hour.

Question 2

Devon Gillies is a college student who is working as a laborer for a landscape company during the summer. Before the first paycheck, the owner loaned Devon 1,00 . for 30 days at 5 ordinary simple interest. Compute the total amount that Devon will need to repay the owner when he gets paid after 30 days. (Use a 360-day year.)



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

alvinum

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

2 2/3  3 1/2 = 8/3  7/2 = 28/3 = 9 1/3 hours or 9 hours and 20 minutes

Answer to Question 2

1,00 .  0.05  30/360 = 4.17; 1,00 . + 4.17 = 1,004.17





 

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

For a complete list of videos, visit our video library