ishaanbaruah3040
05.10.2021 •
Mathematics
A theme park charges $45 for each adult ticket and $30 for each child ticket. A family purchased 10 tickets for $345. Which system of equations could be used to find a, the number of adult tickets, and c, the number of children tickets that were purchased?
Question 2 options:
{a+c=34545a+30c=10
{a+c=34530a+45c=10
{a+c=1030a+45c=345
{a+c=1045a+30c=345
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Ответ:
a or b I am not for sure.
Step-by-step explanation:
Ответ:
Ответ:
Greatest - Denmark
Least - U.S.
Step-by-step explanation:
U.S. - 272,648,000/9,364,520=29.12 people per square km
Denmark - 5,248,000/42,077=124.72 people per square km
Ghana - 18,339,000/237,533=77.21 people per square km