7-8. Find the constant of proportionality (unit rate) for each set of values Then use the constant of proportionality to write an equation that relates the
two values in the table.
7. profit per shirt sold
Shirts (5) 5 10 15
Profit (P) $7.50 $1500 $22.50
8. Price per pound
Apples (a)
4
5 6
Price (p) $7.96 $9.95 $1194
9-10. Determine whether the relationship between the two PLESE HELPquantities shown
in the table is proportional by graphing on the coordinate plane. Explain your
reasoning
9. Cost of Buying Pens
10. Words Typed
1
2
3
4
5
Number of
Pens
Cost
Number of 1 2 3 4
Minutes
Words Typed 50 90 140 180
$2 $4 $6 $8 $10
I