Masses of samples
7. an engineer makes different-size samples of
a new material. the table shows volumes and
their related masses.
volume in cubic
centimeters to
mass in
grams)
a. what would be the mass of 100 cubic
centimeters of the material?
140
250
b. what would be the mass of 500 cubic
centimeters of the material?

Efficient homemakers ltd. makes canvas wallets and leather wallets as part of a money-making project. for the canvas wallets, they need two yards of canvas and two yards of leather. for the leather wallets, they need four yards of leather and three yards of canvas. their production unit has purchased 44 yards of leather and 40 yards of canvas. let x be the number of leather wallets and y be the number of canvas wallets. draw the graph showing the feasible region to represent the number of the leather and canvas wallets that can be produced.