3 years ago

6. Ziad has 26 money bills in his

Mathematics

2 answers:

valkas [14]3 years ago

8 0

Answer:

1000 bills = 7

500 bills = 19

Step-by-step explanation:

x=number of 1000 bills

y= number of 500 bills

(you can even invert them, no problem)

the system is

x + y = 26

1000x + 500y = 16500

therefore

x=26-y

using this value in the next equation

1000*(26-y) + 500y = 16500

26000 - 1000y + 500y = 16500

-500y = - 9500

y=9500/500= 19

x=26-19= 7

solniwko [45]3 years ago

5 0

Answer:

you would divide 16500 by 500 and 1000

Step-by-step explanation:

so i got 12 and 16.5

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