Tree's virus
An arborist examined trees in an orchard to see if they were infected with a virus. 42 out of 75 trees were infected with the virus. What percentage of the trees were infected?
Write your answer using a percent sign (%).
Write your answer using a percent sign (%).
Correct answer:
Tips for related online calculators
Our percentage calculator will help you quickly calculate various typical tasks with percentages.
You need to know the following knowledge to solve this word math problem:
Grade of the word problem:
Related math problems and questions:
- Covid-19
Data showed that 22% of people in a small town were infected with the COVID-19 virus. A random sample of six residents from this town was selected. Find the probability that exactly two of these residents were infected. - Plums 4
Last year, Peter's Market ordered 15 1/2 pounds of plums from a local orchard. This year, the market plans to order 1 1/4 times as many pounds of plums as were ordered last year. They want 2/5 of this order to be red plums. What is the total amount, in po - In the orchard
They planted 25 apple trees, 20 pears, 15 plums, and 40 marbles in the orchard. An intense late frost, however, destroyed a fifth of all new trees. Unfortunately, it was all the trees of one kind of fruit. What is the probability that the plums have died - Evaluate 40
Evaluate a+bc-d if a=78, b=-716, c=0.8, and d=14 . Write your answer as a fraction in simplest form. - The Roman
The Roman numerals are read from left to right, using an additive system (such as the case in VII = 7) and a subtractive system (such as the case in IX = 9). How would you explain to your learners how they should decipher the following Roman numerals: MMX - The population
A city's population increased from 977,760 in 1995 to 1,396,714 in 2005. What is the percentage of increase? Round your answer to the nearest tenth of a percent. - An amusement
An amusement park sold 40 child tickets. The other ten tickets it sold were adult tickets. What is the ratio of the number of adult tickets to the number of child tickets? Write your answer as two numbers separated by a colon (for example, 2:3). - Concentrations 82563
In the hospital laboratory, two containers contained different concentrations of alcohol. After mixing 10 liters of alcohol from the first container with 14 liters from the second container, 75% of the alcohol was formed. If 40 liters from the first conta - Abbreviation 4148
From point A to point C, an educational trail passes through point B and a red tourist sign; see the picture. In addition, an undrawn abbreviation 1500 meters long, starting at A and ending on the nature trail, can be used. Vojtech found that • the trip f - Suppose 8
Suppose the scores on a test have a normal distribution with X=74 and a standard deviation of s=18. What percentage of students have scores higher than 90? What percentage of students have scores between 70 and 85? Twenty percent of the students do better - Frac simplest form
A) Write 1 8/9 as an improper fraction in its simplest form. B) Use your answer to work out 5 / (1 8/9) - Calculate 5356
Two hundred forty-six fruit trees grow in the orchard. There are 78 apple trees. The others are pears and plums. Calculate how many pears and plums are together. - Government 4253
The government had saved a few cents. They added another 60 cents. He missed 90 cents in the school cafeteria. He has 284 cents left in the treasury. How many cents did Vlado save? - Quarter 3106
In the orchard, there were 46 more apple trees than pears. The storm upset a quarter of apple trees and seven pears; however, there were still 80 trees left. How many were apple trees and how many pears in the garden? - Megabytes in digital photos
A color photograph taken with a digital camera is converted into a digital format using 4. 100 bytes per pixel. Photographs taken with the camera each have 2.2. 106 pixels. How many bytes are there in one photo? Write your answer in - One-quarter 7426
There were 46 more apple trees than pear trees in the orchard. The storm destroyed one-quarter of apple trees and seven pear trees. There are 80 trees left. How many are left? - Three friends
You and your friends are playing basketball. You make 7 out of 15 shots. Your first friend makes 6 out of 10 shots, and your second friend makes 5 out of 12 shots. Who is the better shooter (write a, b, c)? How would you solve the problem using what you k