a.3
b.6
c.9
d.12
e.18 Ans:A
30.A certain kennel will house 24 dogs for 7 days. Each dog requires 10once of dog food per day. If the kennel purchases dog food in cases of 30 cans each and if each can holds 8 onces of dog food, how many cases will the kennel need to feed all of the dogs for 7 days?
a.5
b.6
c.7
d.8
e.9 Ans:C
32. Agrocery store purchased crates of 40 oranges each for $5.00 per crate and then sold each orange for $0.20. What was the store's gross profit on eachcrate of oranges?
a.$3.00
b.$6.00
c.$8.00
d.$10.00
e.$13.00 Ans:A
35.Mark brought a set of 6 flower pots of different sizes at a total cost of $8.25. Each pot cost$0.25more than the next one below it in size. What was the cost, in dollars, of the largest pot?
a.$1.75
b.$1.85
C.$2.00
d.$2.15
e.$2.30 Ans:C
請問Each pot cost$0.25more than the next one below it 是指下一個花盆比上一個多$0.25嗎?那在下一個是要把前面2個花盆的$0.25在多加$0.25嗎?
請各位高手賜教,謝謝
