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alexis3744
10.11.2019 •
Mathematics
Horace take a taxi uptown and the fare is $12.78 he wants to give the taxi a 10% tip if horace gives the driver a $20 bill how much change should he ask for
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Ответ:
$5.94
Step-by-step e
12.78 + 10% (1.28) = 14.06
20.00 - 14.06 = 5.94
Ответ:
for 4x = 20 you have to use the division property of equality divide 20 by 4
for x - 11 = 9 you have to use the addition property of equality add 9 to 11
for 5x + 6x = 22 you have to combine like terms add 5x and 6x to make 11x
for 5(x – 2) = 30 you have to use the distributive property multiply 5 and x; 5 and -2
4x = 20; x = 5
x - 11 = 9; x = 20
5x + 6x = 22; 11x = 22; x = 2
5(x – 2) = 30; 5x - 10 = 30; x = 8