A grocer sells watermelons. The table shows the cost of buying different numbers of watermelons. Complete the table by placing correct values in the table according to the pattern. Then place the appropriate word(s) in the blank to
complete the sentence.
Number of Watermelons Total Cost
1
$1.25
2
$2.50
3
$3.75
4
5
The watermelons
sold at a proportional rate.
$1.25
$5.00
$6.25
$7.50
are
are not