3 years ago

1. NBC: A jacket you like costs $64. You have a coupon for 20% off. How much will you pay for the jacket?

Mathematics

1 answer:

Artemon [7]3 years ago

8 0

Answer:

$51.2

Step-by-step explanation:

If you subtract 64 to 20% then you end up with $51.2

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3 years ago

Use the numerals 1,7,7,7, and 7 to create the number 100

Aleonysh [2.5K]

Answer:

$77\div.77\cdot1$

Step-by-step explanation:

What we're basically looking for here are ways to get 100 using these numbers.

My immediate first thought was "can we divide the 7's by some 7's to get 100?"

I know that $7 \div .7=10$ , so I had the idea to make it $77 \div .77 = 100$ . This means that we can use the number 7 four times in the equation $77 \div .77=100$ .