What was the cost per pen

Assignment Help Mathematics
Reference no: EM13201774

jack spent $20 at the store. He bought 4 pens and a calculator for $10. what was the cost per pen?

Reference no: EM13201774

Questions Cloud

Native americans were portrayed in these readings : Whats good or bad about the way Native Americans were portrayed in these readings? Do the explorers and the settlers respect or demonize them? Are they correct in their opinions or do they demonstrate a large ignorance?
Find the value of x to one decimal place : A 25.5 ft ladder rests against the side of the house at a point 24.1st above the ground . The ft of the ladder is x ft from the house. Find the value of x to one decimal place.
Compute what time will train a catch up to train b : train A travels at a speed of 40mph and train B travels at a speed of 60mph. Train A passes the station at 1:25, at what time will train a catch up to train B
Protein intake for athletes : Which of the following is true about the protein intake for athletes?
What was the cost per pen : jack spent $20 at the store. He bought 4 pens and a calculator for $10. what was the cost per pen?
Describe that theory and explain why it fits the situation : If the way wages were fixed in that job does not correspond to the neo-classical theory, is there another theory, among the ones we talked about in class, that would explain it better (i.e. another theory that could explain the way wages were set)..
How many seconds after the ball is released : a ball is dropped from a bridge at an initial height of 70 meters. what is the height of the ball to the nearest tenth of a meter exactly 2 seconds after he realeases the ball? how many seconds after the ball is released will it hit the ground?
Sample mean chart for controlling a packaging process : A quality analyst wants to construct a sample mean chart for controlling a packaging process. He knows from past experience that the process standard deviation is two ounces. Each day last week, he randomly selected four packages and weighed each. Th..
How does high income inequality suppress economic growth : How does high income inequality suppress economic growth. With respect to social conflict, credit constraint on the poor, "poor person" median voter, less developed countries have more children, etc.

Reviews

Write a Review

Mathematics Questions & Answers

  What is the sum of the preceding probabilities

What is the sum of the preceding probabilities, and why is it less than 1.0?

  What is the volume of grain that can be stored in the silo

A grain silo has a cylindrical shape. Its diameter is16FT , and its height is 47FT . What is the volume of grain that can be stored in the silo?

  Surjective ring projections

Let m and n be positive integers with n dividing m. Prove that the natural surjective ring projection Z/mZ ->Z/nZ is also surjective on the units:(Z/mZ)^x ->(Z/nZ)^x

  Global extrema of function

Find the global extrema of the function f(x,y)= x^4 + 3y^2 on the closed region given by: [0 (

  Use the improved euler method

Use the improved Euler method with h=0.05 to find approximate values of the solution of the given initial value problem at t=0.1,0.2,0.3, and 0.4 y'=3+t-y, y(0)=1.

  Find both the width of the square dining room

an architect has allocated a rectangular space of 416 ft^2 for a square dining room and a 10 ft wide kitchen. find both the width of the square dining room and the length of the entire rectangular space?

  Different ways for statistical measurement

There are 7 women and 9 men on a faculty. How many ways are there to select a committee of 5 members if at least 1 member must be a woman?

  Find out if there is any merit to this belief

Its a common belief that people behave strangely when theres a full moon, and that as a result police and emergency rooms are busier than usual. Design a way you could find out if there is any merit to this belief. Will you use an observational st..

  What is the sample variance

A sample of n=25 scores has a mean of M=65 and an estimated standard error of points. What is the sample variance?

  Find the linear correlation coefficient

Find the linear correlation coefficient

  Linear algebra-vectors-inner product

Show that the functions x and x^2 are orthogonal in P5 with inner product defined by ( =sum from i=1 to n of p(xi)*q*(xi) ) where xi=(i-3)/2 for i=1,...,5.

  Find how many mililiters of the 46% solution you will need

A chemist need 180 milliliters of a 40% solution but has only 28% and 46% solutions available. Find how many mililiters of the 46% solution you will need to get the desired solution.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd