Answered

Welcome to Westonci.ca, the Q&A platform where your questions are met with detailed answers from experienced experts. Get quick and reliable solutions to your questions from a community of experienced professionals on our platform. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

a service station on the interstate changes $2.29 per gallon of
gasoline and $1.89 per quart for oil. What would be a recourable
amount to pay for 10 gallons of gasoline and 2 quarts of oil ?

A) $20
B) $23
C) $25
D) $27

Sagot :

sqdancefan

Answer:

  D)  $27

Step-by-step explanation:

You want an estimate of a reasonable amount to pay for 10 gallons of gas at $229 per gallon, and 2 quarts of oil at $1.89 per quart.

Estimate

For estimating purposes, we like to round numbers to 1 or 2 significant figures.

The cost of 10 gallons of gas is about 10 × $2.30 = $23.

The coast of 2 quarts of oil is about 2 × $2 = $4.

So, the total cost of the gas and oil is about $23 +4 = $27.

You expect the total to be near $27.

__

Additional comment

Part of estimating is estimating the error in your estimate. Here the error is $0.01 per gallon of gas, or $0.10 for 10 gallons. The error is $0.11 per quart of oil, so  $0.22 for 2 quarts. The final estimate of $27 is $0.10 +0.22 = $0.32 too high. $27 is different from the next answer choice by $2, so is still the best answer choice.

We appreciate your visit. Our platform is always here to offer accurate and reliable answers. Return anytime. Thanks for stopping by. We strive to provide the best answers for all your questions. See you again soon. We're glad you chose Westonci.ca. Revisit us for updated answers from our knowledgeable team.