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2 years ago

12

Dave collects U.S. gold coins. He has collection of 48 coins. Some are $10 coins, and the rest are $20 coins. If the face value

of the coins $700, how many of each denomination does he have

1 answer:

andrew11 [14]2 years ago

7 0

Dave should slide some coins

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A. 86<br> B. 111<br> C. 69<br> D. 71

dangina [55]

All the angles of a triangle add up to 180 degrees.

30+39+<4= 180

69+<4= 180

Subtract 69 on both sides.

<4= 111 degrees

<1 and <4 are supplementary and adjacent. They equal 180 degrees as well.

111+<1= 180

<1= 69 degrees

I hope this helps!
<em>~kaikers</em>

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Step-by-step explanation:

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Korolek [52]

Answer:

width=3

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ziro4ka [17]

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