Name:
Examining Y=KX
Solve each problem.
A n s w e r s
1) At the hardware store you can buy 3 boxes of bolts for $9.93.
This can be expressed by the equation 9.93=(3.31)3. How
$19.86
1.
much would it cost for 6 boxes?
$23.48
2.
2) The equation Y=KX shows you would make $41.09 for
recycling 7 pounds of cans. How much would you make if
$2.45
3.
you recycled 4 pounds?
32
4.
3) A construction contractor used the equation Y=KX to
determine it would cost him $4.90 to buy 2 boxes of nails.
$14.27
5.
How much is each box?
111
6.
4) A florist used the equation 48=(16)3 to determine how many
flowers she'd need for 3 bouquets. How many flowers would
181
7.
she need for 2 bouquets?
43
8.
5) The equation 114.16=(14.27)8 shows how much it cost for a
company to buy 8 new uniforms. How much does it cost per
$5.80
9.
uniform?
$6.99
10.
6) To determine how many pages would be need to make 5
books you can use the equation, 185=(37)5. How many pages
would be in 3 books?
7) An industrial printing machine printed 724 pages in 4
minutes. How many pages did it print in one minute?
8) Megan used the equation Y=KX to determine she would need
86 beads to create 2 necklaces. How many beads did she use
per necklace?
9) The equation 23.20=k4 shows that buying 4 bags of apples
would cost 23.20 dollars. How much is it for one bag?
10) An ice cream truck driver determined he had made $13.98
after selling 6 ice cream bars (using the equation y=kx). How
much would he have earned if he sold 3 bars?
1-10 90 80 70 60 50 40 30 20 10 0
Math
7