melaniemartillo123 melaniemartillo123

28-04-2020
Mathematics

contestada

On Tuesday Shayna bought seven boxes.
On Wednesday half of all the boxes that she had were destroyed. On Thursday there were only 21 left. How many did she have on Monday?

Respuesta :

modgod7 modgod7

30-04-2020

Answer:

35

Step-by-step explanation:

Work backwards

21x2=42

42-7=35

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