2. A government program will increase spending on scientific research by 8% per year for 4 years. What will be the percent of increase in the amount of money spent on research in year 1 to the amount of money spent on research in year 4?
22%
24%
26%
32%
36%
3.During an international trip that began in the United States, a businessperson converted $500 in U.S. currency to Euros using the exchange rate $1 = €0.8274. While in Europe she spent €100. The businessperson next went to Tokyo and converted her remaining Euros to Yen using the exchange rate €1 = ￥133.428. In Tokyo she spent ￥10,000. When back in the United States, she converted the remaining Yen to U.S. currency, using the exchange rate ￥1 = $0.009058. Approximately how much of the original $500 did the businessperson have at the end of her trip?
$110
$270
$290
$380 bbs.54yjs.cn
$390
4. One-third of all the employees at a factory work the first shift. The number of employees at the factory who work the second shift equals 1/4 of the number of first-shift employees. The remaining employees at the factory work the third shift. There are 22 second-shift employees at the factory. What is the total number of employees at the factory?
88 employees
110 employees
154 employees
242 employees
264 employees
5.If a grocer bought 4 cans of soup for $0.40 and then sold them at 3 cans for $0.40, how many cans of soup must the grocer sell at this price in order to take in $2.80 more than the initial investment?
21
28
84
93
112
6.Two giant boxes of special detergent ordinarily sell for as much as five regular-size boxes. During a special feature sale, giant boxes are offered at 1/3 off. How much does a regular-size box ordinarily sell for, if the sale price of giant boxes is €6.00 each? zd.54yjs.cn
€ 1.80
€ 2.40
€ 3.00
€ 3.20
€ 3.60
7.A square parking lot has area 34,848 square meters. Periodically, an attendant walks around the outer edges of the lot at the rate of 6.6 kilometers per hour to inspect the lot. How many minutes does it take the attendant to walk completely around the lot one time?
2 minutes
7 minutes
22 minutes
79 minutes
113 minutes
8.On January 1st, a company began building a new warehouse. As of June 30th, the project was 60% complete and costs averaged €50,000 per month. For the remainder of the project, average monthly costs were 10% greater. At the current rate of completion, what is the total projected cost for building construction?
€ 400,000
€ 420,000
€ 500,000
€ 520,000 54yjs.cn
€ 600,000
9.A product is made by mixing together 2 parts of solution B with 9 parts of solution C to form a compound solution. The product is next diluted with 5 liters of water for every 20 liters of compound solution. How many liters of solution B are needed to make 75 liters of the product?
3.64 liters
10.91 liters
16.36 liters
20.24 liters
21.36 liters
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