2 years ago

Daleton has 7 bills, all tens and twenties, that total $100 in value. How many of each bill does he have?

Mathematics

2 answers:

kykrilka [37]2 years ago

7 0

Answer:

two $20 and five $10

kati45 [8]2 years ago

4 0

He has three $20 and four $10. Hope this helps!

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Step-by-step explanation:

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$= \frac{1}{2} (AB + AD) \times AB \\ \\ 525= \frac{1}{2} (37+ AD) \times21\\ \\ 525 \times 2= (37+ AD) \times21 \\ \\ 1050 = 21 \times 37 + 21AD \\ \\ 1050 = 777+ 21AD \\ \\ 21AD = 1050 - 777 \\ \\ 21AD = 273 \\ \\ AD = \frac{273}{21} \\ \\ AD = 13$