ACT Word Problem Practice Questions

The ratio of boys to dirls at <ilwood School is 4 to 5. If there are a total of 27 children at the school, how many boys attend the Milwood school?

• 4

• 9

• 12

• 14

• 17

Linda computed the average of her six biology test scores by mistakenly adding the totals of five scores and dividing by five, giving her an average score of 88. When she realized her mistake, she recalculated to include the sixth test score of 82. What is the average of Linda's six biology tests?

• 82

• 85

• 86

• 87

• 88

In the process of milling grain, 3% of the original is lost due to spillage, and another 5% is lost due to mildew. If the mil starts out with 490 tons of grain, how much (in tons) remains to be sold after milling?

• 425

• 426

• 420.5

• 440

• 450.8

A rectangular box has a base measuring a by a meters and a height of b meters. Whic of the following represents the surface area of the box?

• 6ab

If watermelons sell at $4.29 each or 4 for $14.80, how much is saved, to the nearest cent, on each watermelon y buying them 4 at a time?

• 36 cents

• 43 cents

• 48 cents

• 59 cents

• 68 cents

Joey made two trips to the all on the same day. On the first trip, he gave the cashier $50 and got back $12 in change. On the second trip, he gave the cashier $30 and got back $8 in change. After these trips, he had $45 left. How many dollars did he have before his trips to the mall?

• 55

• 67

• 86

• 105

• 117

Professor Jones gives his students a 2 minute break between each section of a final exam. If the final exam has 7 sections, how many minutes do the students spend on break during the exam?

• 6

• 7

• 9

• 12

• 14

Mark is deciding between two contracting jobs. Job A pays $45 per hour for the first 10 hours worked, and $60 per hour worked thereafter. job B pays a flat $50 per hour. Mark's goal is to earn $1,350 from his next contracting job. Which job, if either, allows him to work fewer hours to meet his goal, and how many hours fewer?

• Job A, 2

• Job A, 12

• Job B, 2

• Job B, 12

• Mark would work the same number of hours at either job.

A number z is produced by multiplying x, which is divisible by 10, and y, which is divisible by 15. All of the following whole numbers must be factors of z EXCEPT:

• 2

• 3

• 6

• 20

• 30

There are three alarm bells. The first alarm bell rings every 6 minutes, the second rings every 8 minutes, and the third rings every 10 minutes. At a certain instant, the 3 alarm bells ring at the same time. How many minutes elapse until the 3 alarm bells next ring at the same time?

• 60

• 90

• 120

• 160

• 480