Mathematics, 05.01.2021 21:40 korar87181
After graduation, Duke's grandfather spent $158.81 taking the entire
family out to eat at a buffet. Adults ate for $8.99 and children ate for
$6.99. The number of adults was one more than twice the number of
children. Which system of equațions is used to find a, the number of
adults, and c, the number of children in Duke's family?
A. 8.99a + 6.99c=158.81
a=2c + 1
B. 6.99a + 8.99c =158.81
c=2a + 1
C. 8.99a + 6.99c = 318.62
c =2a + 1
D. 8.99a - 6.99c = 158.81
a =2c + 1
Answers: 2
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After graduation, Duke's grandfather spent $158.81 taking the entire
family out to eat at a buffet....
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