Related Questions

Coffee A costs 75 cents per pound. It is mixed with Coffee B, which normally costs 80 cents per pound, to form a mixture that costs 78 cents per pound. If there are 10 pounds of the mix, how many pounds of Coffee A were used in the mix?
A 3
B 4
C 4.5
D 5
A grocer has 400 pounds of coffee in stock , 20 percent of which is decaffeinated. If the grocer buys another 100 pounds of coffee of which 60 percent is decaffeinated, what percent, by weight of the grocer's stock of coffee is decaffeinated?
A 30%
B 32%
C 40%
D 28%
A grocer has 400 pounds of coffee in stock, 20 percent of which is decaffeinated. If the grocer buys another 100 pounds of coffee of which 60 percent is decaffeinated, what percent, by weight, of the grocer's stock of coffee is decaffeinated?
A 30%
B 28%
C 34%
D 25%
In a coffee mixture, the ratio of coffee. milk, sugar and cream are mixed by the weight in the ratio of 5:3: 2: 2 respectively. How many kg of coffee are there in 18 kgs of the mixture?
A 7.5 kb
B 8 kg
C 89kg
D 4 kg
A grocer has 400 pounds of coffee in stock, 20 percent of which is decaffeinated. If the grocer buys another 100 pounds of coffee of which 60 percent is decaffeinated, what percent, by weight, of the grocer’s stock of coffee is decaffeinated?
A 0.3
B 0.28
C 0.34
D 0.25
In the decade there has been significant decrease in coffee consumption.During this same time, there has been increasing publicity about the caffeine in coffee's adverse long term effects on health. Therefore, the decrease in coffee consumption must have been caused by consumer's awareness of the harmful caffeine. Which of the following, if true,most seriously calls into question the explanation above ?
A On average,people consume 30% less coffee today than they did 10 years ago
B Sales of specialty types of coffee have held steady as sales of regular brands have declined
C The consumption of fruit juice and caffeine-free herbal tea has increased over the decade
D Coffee prices increased steadily in the past decade because of unusually severs frosts in coffee-growing nation's.
Brazil has become the world's largest producer of coffee mainly because ________
A The Brazilian plateau is well drained land
B The climatic conditions are suitable
C The "terra-rosa" soil is very fertile
D The coffee plant is native of Brazil
The largest producer of coffee in the world is
A Ivory coast
B Brazil
C India
D Mexico
In a group of 52 persons , 16 drink tea but not coffee and 33 drink tea. How many drink coffee but not tea?
A 3
B 7
C 19
D 17
In an office , 44% of the workers prefer coffee and 72% prefer tea. If each of them prefers coffee or tea and 40 like both, the total number of workers in the office is -
A 200
B 250
C 240
D 210

Next steps