Granddad raises a total of 18 black rabbits and white rabbits. If the number of white rabbits is 5 times the number of black rabbits, how many of each type does Granddad have?

 

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ratio in word problems

6,000 pounds of concrete consists of cement, sand and gravel in the ratio of 2:3:5. How many pounds of each are in the concrete?

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how much does the jacket cost?

A pair of pants cost $75.00 and it costs 2/3 as much as a jacket. How much does the jacket cost?

Matthew weighs 48 pounds. If he 3 /8 as much as his dad, how much does his dad weigh?

The purpose of these problems is to prepare students with standardized testing. To be able to find the amount in 1 is the key to solve all the fraction word problems.

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the greatest common factor—question and answer

Three  ropes  are  120  inches  long,  90  inches  long  and  150 inches  long.  They are cut into sections with no remaining parts.  If each section has the same length, what is the largest possible length for each section?  How  many  sections  can  we  get  altogether?

Worksheets for this type of questions

Answer to the question:

Since each section has the same length, that means we need to find the common factors of 120, 90 and 150. Since we need to find the largest possible length of each section, we need to find the greatest common factor. That is 30. So the largest possible length of each section is 30 inches.

The  rope  that  is  120  inches  long  is  cut  into  4  sections. The  rope  that  is  90  inches  long  is  cut  into  3  sections. The  rope  that  is  150  inches  long  is  cut  into  5  sections. Therefore, all the ropes are cut into a total of 12  sections.