1 year ago

(19)

Mathematics

1 answer:

aksik [14]1 year ago

4 0

Answer:

2s-11

Step-by-step explanation:

“N fewer than Y” is Y-N, so Liza has s-11 stickers while Betty has s. They have 2s-11 stickers combined.

If Betty has 31 stickers, s = 31 and they have 2s-11 = 62-11 = 51 stickers total.

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