3 years ago

David had 80 dollars from washing cars

Mathematics

1 answer:

Tomtit [17]3 years ago

8 0

Answer:

It cost 30$

Step-by-step explanation:

Since 50% is 1/2 we put 80/2

so we have 40

25% is 1/4 we put 40/4=10 40-10=30

so the answer is 30

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