Question

king hardware sold 7 pounds of bolts yesterday at a price of $5.00 per pound. this point is represented by the black plus symbol on the diagram below, which plots the price of bolts (measured in dollars per pound) and the quantity sold (measured in pounds). each small square in the grid for this graph has one side equal to 1 pound of bolts and one side equal to 1 dollar per pound. the area of one small square is therefore. there are small squares in the purple shaded rectangle.

Explanation:

Step1: Calculate area of small - square

The area of a square is $A = s\times s$. Here, $s = 1$ pound $\times1$ dollar per pound, so $A=1\times1 = 1$ square - dollar.

Step2: Count small squares in rectangle

The purple - shaded rectangle has a length of 7 (in pounds) and a width of 5 (in dollars per pound). The number of small squares is the product of the number of squares along the length and the number of squares along the width. So the number of small squares is $7\times5=35$.

Answer:

The area of one small square is 1 square - dollar.
There are 35 small squares in the purple shaded rectangle.