Basic operations and concepts - practice problems - page 7 of 332

Number of problems found: 6631

Anthony's
Anthony's book cost $9.50. The tax rate is 7%; find the total cost of the book.
A race 2
In a race of 200 m, A can beat B by 31 m and C by 18 m. In a race of 350 m, by how many metres will C beat B?
The profit 5
A man buys 12 pens for €60 and sells them at 5 pens for €30. What is his profit percentage?
An eraser
The cost of an eraser is $ 0.80 and the cost of a pencil is $ 2. What is the ratio of their costs in simplest form?
The salary 4
The salary of a worker is first increased by 5% and then it is decreased by 5% . What is the change in his salary?
Cesar
Cesar increased the amount of water he drinks each day from 64 ounces to 72 ounces. By what percentage did Cesar increase the amount of water he drinks each day?
The loss
The cost is 80. They wanted to sell them for 100. In fact, a year later, they sold it for 60. What is the percentage of loss?
Cost and profit
Find the cost of goods that sold for P800.00 and which profit of 25% was made on cost.
Baseball card
In 2001, a rare baseball card was worth $11.00. This year the card is worth $8.00. What percent of the value of the card has been lost?
There 28
There are 100 cents in a dollar. What percent of a dollar is $0.15?
A woodcutter
A woodcutter took 12 minutes to make 3 pieces of a block of wood. How much time would be needed to make 5 such pieces?
Profit percentage
The ratio of cost price to selling price is 20: 21. What is the profit percentage?
The ratio 17
The ratio of tomatoes to red apples is 2:5. If there are 20 tomatoes, how many red apples are there?
Usd to eur
If 6500$ is 5798 euros, then how much is 1$ in euros
Stock 5
The stock dropped by 35% to P130.00. What was the trading price before the drop?
A tip
Determine a 20% tip for a dinner that costs $65.00.
£4.20
£4.20 per 100 g; what would 0.118 kg equal?
A swimming 2
A swimming pool had 2.5 million liters of water in it. Some water evaporated, and then the pool only had 2 million liters of water in it. What percent of the water evaporated?
A group
A group of young men decides to raise ksh 480,000 to start a business. Before the actual payment was made, four members pulled out, and each of the remaining had to pay an additional ksh 20,000. Determine the original number of members.
Gift card
Lauren was given a gift card for a coffee shop. Each morning, Lauren uses the card to buy one cup of coffee. The original amount of money on the gift card was $10, and each cup of coffee costs $2. Make a table of values and then write an equation for A, i

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