subject
Mathematics, 25.11.2020 14:00 kimmosley80

There were 43 children at the playground. Now there are 27 children at the playground. How many children left the playground? Ben says that 13 children left the playground. He thinks that 43 – 30 is easier to subtract than 43 – 27. He subtracts 43 – 30 and gets 13. Why is Ben's reasoning not correct?

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 13:50, miacervenka
At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)
Answers: 3
image
Mathematics, 21.06.2019 16:00, thicklooney
Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint. how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.
Answers: 1
image
Mathematics, 21.06.2019 17:00, TheRunningPotatoe245
Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false
Answers: 2
image
Mathematics, 21.06.2019 17:00, nihadsalim10
Find the roots of the equation below. x^2 - 6 + 9 = 0
Answers: 1
You know the right answer?
There were 43 children at the playground. Now there are 27 children at the playground. How many chil...

Questions in other subjects:

Konu
Mathematics, 25.07.2019 00:00