You sell your bicycle to your friend for 65$ your friend gives you x five dollar bills and y ten dollar bills. There are a total of 9 bills. How many five dollar and ten dollars bills did your friend give you?

There are five dollar bills and ten dollar bills.

Step-by-step explanation:

Given:

Selling price of bicycle .

The friend gave five dollar bills and ten dollar bills.

Total number of bills .

To find: Number of five dollar bills and ten dollar bills the friend gave.

Solution:

The friend gave five dollar bills and ten dollar bills and the friend gave bills in all.

So, .

Selling price of bicycle .

So,

Putting the value of from equation in equation .

Now, putting the value of in equation .

Hence, there are five dollar bills and ten dollar bills.

maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

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i think asking google will you get the answer to that question