Answer:
52 stickers
Explanation:
Sarah: x
Grace: 2x
2 × 5 = 10
Natalie: 10x
x = 4
2x = 8
10x = 40
4 + 8 + 40
52
Sarah has 4 stickers
Grace has 2 times what Sarah has
2*4 = 8 stickers
Nataile has 5 times what Grace has
5*8 = 40
Total: Sarah + Grace+ Nataile
4+8+40
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