what is the missing value?
7
4
=
28
???
11
8
=
24
???
???
5
=
15
36
???
5
=
40
32
12
???
=
55
60
3 footballs
12 boys
=
15 footballs
???
15 pesos
$1
=
$50
???
8 Reese's Cups
$6
=
72 Reese's Cups
???
18 tickets
$144
=
6 tickets
???
400 g of cheese
$5
=
2400 g of cheese
???
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