Question

PLZ HELP List all the possible numbers of pennies that Gigi could have in order to have her pennies into rectangular array with more than one row or column and she has a remainder (in this case leftover pennies). Remember she must have between 10 and 30 pennies total.

Answer 1

If Gigi has between 10 and 30 pennies, all the possible combinations that form a rectangle with more than 1 column and row are:

• 2 x 5 or 5 x 2 (10 pennies in total)
• 2 x 6 or 6 x 2 (12 pennies in total)
• 2 x 7 or 7 x 2 (14 pennies in total)
• 2 x 8 or 8 x 2 (16 pennies in total)
• 2 x 9 or 9 x 2 (18 pennies in total)
• 2 x 10 or 10 x 2 (20 pennies in total)
• 2 x 11 or 11 x 2 (22 pennies in total)
• 2 x 12 or 12 x 2 (24 pennies in total)
• 2 x 13 or 13 x 2 (26 pennies in total)
• 2 x 14 or 14 x 2 (28 pennies in total)
• 2 x 15 or 15 x 2 (30 pennies in total)
• 3 x 4 or 4 x 3 (12 pennies in total)
• 3 x 5 or 5 x 3 (15 pennies in total)
• 3 x 6 or 6 x 3 (18 pennies in total)
• 3 x 7 or 7 x 3 (21 pennies in total)
• 3 x 8 or 8 x 3 (24 pennies in total)
• 3 x 9 or 9 x 3 (27 pennies in total)
• 3 x 10 or 10 x 3 (30 pennies in total)
• 4 x 4 (16 pennies in total)
• 4 x 5 or 5 x 4 (20 pennies in total)
• 4 x 6 or 6 x 4 (24 pennies in total)
• 4 x 7 or 7 x 4 (28 pennies in total)
• 5 x 5 (25 pennies in total)
• 5 x 6 or 6 x 5 (30 pennies in total)