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bree249
10.12.2020 •
Mathematics
Ben has $75 to spend on basketball cards. NBA pro cards cost $3 each and college cards cost $1 each. The equation is 75=3x+1y. What is one combination that he could buy for a total of $75?
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Ответ:
Step-by-step explanation:
so let x= NBA cards
let y= College cards
let us optimize
75=3x+1y
75/3=25
75/1=75
so a possibility is 20 NBA cards and 15 college cards
Ответ:
1in : (5 x 12) in
1in : 60 in
1ft : 20yd
1ft : (20 x 3) ft
1ft : 60 ft
1 cm : 60cm
1in : 60ft
1in : (60 x 12)in
1in : 720 in
Hence, 1in : 60ft does not have a scale factor of 1/60