How to find the part from the whole with percentage

Practice Questions

PSAT Math › How to find the part from the whole with percentage

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1

A total of 200,000 votes were cast for two opposing candidates. If the losing candidate received 40% of the vote, how many votes did the winning candidate receive?

2

Your friend has 100 pounds of bacon and offers to share 45% of it with you. If you promised your mom 30% and your cousin 25% of your share, how many pounds of bacon do you end up with?

3

Graph

The above graph represents the results of a general election for two seats on the city council of Lincoln City. Frankllin and Hall are Democrats; Johns and Lamont are Republicans; Carson is an independent.

6,219 people voted for Republicans. Which of the following is the best estimate for the number of people who voted for Democrats?

4

Becky and Jason are running for class president, and each of the 30 students in the class voted. Becky received 60% of the votes. How many students voted for Jason?

5

Graph

The above graph represents the results of a general election for mayor of Washington City. Hall is a Republican; Johns is a Democrat; the other three are independents.

5,328 people voted for independent candidates. Which is the best estimate for the number of people who voted for Hall?

6

The pie chart illustrates how Carla allocates her money each week.

If she spends $200 on groceries each week, how much does she spend on rent?

7

Three salesmen, Gor, Levon, and Raffi, competed to sell the highest number of cars in the month of August. A total of 250 cars were sold.

Gor sold 100 cars. Levon sold 62% of the remaining cars, and Raffi sold the rest.

How many cars did Raffi sell?

8

There are pounds of cargo currently on a ship. After pounds have been taken from the ship and transferred to a warehouse, then, in terms of and , what percent of cargo is still on the ship?

9

A school is made up of 400 students. Each student must belong to one of the four clubs shown in the chart below. How many students are in chorus?

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10

A container has ten liters of a twenty percent sucrose solution by volume. How many liters of the solution should be removed from the container and then replaced by the same volume of a forty percent sucrose solution, so that the final solution is ten liters of a twenty-five percent sucrose solution?

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