1). $30 per 4 yards . . . .$7.50 per yard
2). $9 per 4 cans . . . . . $2.25 per can
3). $11 per 6 pencils . . . $1.83 per pencil
4). 7 inches per 5 hours . . 1.4 inches per hour
5). $17 per 8 bars . . . . . $2.13 per bar
6). $20 per 5 tickets . . . . $4 per ticket
7). 95 miles per 8 gallons . . 11.88 miles per gallon (or 0.084 gallon per mile)
8). $140 per 5 calculators . . . $28 per calculator
9). $22 per 9 batteries . . . . . $2.44 per battery
The part I don't understand is: What does"tomato" have to do with anything ?