第1题
The weekly fee for staying at the Pleasant Lake Campground is $20 per vehicle and $10 per person.Last year, weekly fees were paid for v vehicles and p persons. Which of the following expressions gives the total amount, in dollars, collected for weekly fees last year?
A.20v + 10p
B.20p + 10v
C.10(v + p)
D.30(v + p)
E.10(v + p) + 20p
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第3题
A copy machine makes 60 copies per minute. A second copy machine makes 80 copies per minute. The second machine starts making copies 2 minutes after the first machine starts. Both machines stop making copies 8 minutes after the first machine started. Together, the 2 machines made how many copies?
A.480
B.600
C.680
D.720
E.960
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第4题
Marlon is bowling in a tournament and has the highest average after 5 games, with scores of 210, 225, 254,231, and 280. In order to maintain this exact average,what must be Marlon’s score for his 6th game?
A.200
B.210
C.231
D.240
E.245
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