3 years ago

Donald has x twenty-dollar bills and 1 10 ten-dollar bill.

Mathematics

1 answer:

OLga [1]3 years ago

5 0

Answer:

y=20x+10

Step-by-step explanation:

Given:

Donald has x $20 bills and 1 $10 bills.

Let y be the total amount Donald has.

To calculate his total, we multiply the value of each bill by its frequency then sum:

$y=x\times 20+1\times 10\\\\=20x+10$

Hence, the expression of Donald's total is given as y=20x+10

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