Answer:
Step-by-step explanation:
15+10y−4xy−66
Soustraire 66 de 15 pour obtenir −51.
−51+10y−4xy
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13500-1500= 12000/5=2400
12000-2400= 9600
$9600 most expensive painting
The answer is: "39 points" .
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Explanation:
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" x/ 50 = 78/100 " ; in which "x" equals the number of points needed.
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To solve for "x" ;
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Look at the denominators: 50 * (what value?) = 100.
→ "100 ÷ 50 = 2" .
→ So; "50 * 2 = 100" ;
So, let us look at the numerators:
x * 2 = 78 ;
↔ 2x = 72 ;
Divide each side of the equation by "2" ; to isolate "x" on one side of the equation ; and to solve for "x" ;
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→ 78 ÷ 2 = 39 ;
The answer is: "39 points" .
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Answer:
33 1/3
Step-by-step explanation: