A high-speed train makes a 450 mile nonstop run between two major cities in / hours. The train travels 100 mph in the country, but safety regulations require that it travel only 25 mph when passing through smaller, intermediate cities. How many hours are spent traveling 'through the småller cities?

A high-speed train makes a 450 mile nonstop run between two major cities in / hours. The train travels 100 mph in the country, but safety regulations require that it travel only 25 mph when passing through smaller, intermediate cities. How many hours are spent traveling 'through the småller cities?

Intermediate Algebra

10th Edition

ISBN:9781285195728

Author:Jerome E. Kaufmann, Karen L. Schwitters

Publisher:Jerome E. Kaufmann, Karen L. Schwitters

Chapter1: Basic Concepts And Properties

Section1.CR: Review Problem Set

Problem 67CR: A crime-scene investigator has 3.4 ounces of a sample. He needs to conduct four tests that each...

See similar textbooks

Similar questions

A crime-scene investigator has 3.4 ounces of a sample. He needs to conduct four tests that each require 0.6 ounces of the sample, and one test that requires 0.8 ounces of the sample. How much of the sample remains after he uses it for the five tests?
A boat travels at a constant speed to an island 14 miles away. It takes 0.5 hour to travel the first 5 miles. How long does the entire trip take?
A popular fast food burger weighs 7.5 ounces and contains 540 calories, 29 grams of fat, 43 grams of carbohydrates, and 25 grams of protein. Find the unit rate of (a) calories per ounce (b) grams of fat per ounce (c) grams of carbohydrates per ounce (d) grams of protein per ounce. Round to two decimal places.
A plate 57.20 millimeters thick is to be machined to a thickness of 44.10 millimeters. The plate is to be rough cut with the last cut a finish cut 0.30 millimeter deep. If each rough cut is 3.20 millimeters deep, how many rough cuts are required?