price change index

Introduction - It is aptly said that pollution is the price paid by us towards social development through scientific advancement. Pollution is a peril of our society. It is a peril out of scientific achievements applied to improvement of human facilitie..

The graph shows the relationship between number of toys and their price in dollars. Interpret the meaning of the slope as a rate of change. => Cost of each toy is $2. or Cost of each toy is $8. or Cost of each toy is $4. or Cost of each toy is $6...

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Physical and Chemical Changes..

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Lindsay bought a sandwich that was priced at 68 cents. What is the best way to give the change by using the fewest number of coins? => 3 quarters, 1 dime, 1 nickel and 3 pennies or 1 quarter, 2 dimes, 1 nickel and 1 penny or 2 quarters, 1 dime, 1 nickel and 3 pennies or 1 quarte..

The table shows the price of a computer. Find the rate of change in the price of the computer from 2000 to 2002. Year 1998 2000 2002 2004 Price ($) 920 860 860 800 => $0 per year or $60 per year or $20 per year or $30 per year..

David sells cone ice creams. An empty cone has a vertical length of 8 cm and a diameter of 8 cm. He sells 170 ice creams on a day, and charges $2.5 for an icecream. Calculate the additional income he would earn if the dimensions of the cone were reduced by 0.5 cm each, assuming that he does not ..

Describe how the price of a pen changed after three years. Time Price of a Pen Initial $5.00 after 1st year $6.00 after 2nd year $6.50 after 3rd year $6.95 => varying or decreasing or increasing or constant..

Suppose hardware store customers are willing to buy B( t ) boxes of bolts at t dollars per box where B( t ) = 4 t 2 + 8 t + 32 ( 1 ≤ t ≤ 8). Find the instantaneous rate of change in B( t ) when the price is 4 dollars per box. => 32 or - 40 or 40 or 136..