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Answer:
amosc??????????????
Step-by-step explanation:
Answer:
<h2>
70 
</h2>
Step-by-step explanation:
Shaded area:
Area of big rectangle - Area of small rectangle

Calculate the difference

Calculate the product

Calculate the difference

Hope this helps...
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A = amount
.01a + .05a + .1a = 1.28
Combine like terms.
.16a = 1.28
Divide both sides by .16.
a = 8
8 * 3 = 24
There are 24 coins in the wallet.