Juanita needs to purchase watermelons and cantaloupes to create fruit trays. Watermelons cost $4 each, and cantaloupes cost $2 each. Juanita has $16 to spend purchasing fruit. What are the values of a, b, and
c to correctly complete the table showing three ways Juanita can spend $16 purchasing fruit?
Number of Cantaloupes, c
Number of Watermelons, w
4
b
2
a
2
с
a
be
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13.46

step-by-step explanation:

16.80 x .20 = 13.46

if im not mistaking its

step-by-step explanation:  

answers

\3. yes the presentation (i.e. odd numbers being written as differences of two squares) is possible for all odd natural number however the presentation may not be unique. for example,  57=112−82=292−28257=112−82=292−282.

\4. 2 can't be written as a difference of two squares because 4-1=3 and 1-1=0 and the difference of squares grows to integers larger that 3.

can i get some in proving questions 1 and 2?