Solving Multi-Step Problems with Rates and Ratios

The video tutorial explains how to solve a problem involving proportional relationships. Kiara downloaded 264 pictures taking up 528 megabytes, and the task is to find how many megabytes 35 pictures would take. The teacher sets up a proportion, cross multiplies, and solves the equation using long division to find the answer, which is 70 megabytes.

How many pictures did Kiara download from her phone?

• 264 pictures

• 35 pictures

• 528 pictures

• 70 pictures

Tags

CCSS.3.OA.D.8

What is the total space used by the pictures on the computer?

• 264 MB

• 528 MB

• 35 MB

• 70 MB

Tags

CCSS.3.OA.A.3

What mathematical concept is used to solve the problem of finding space for 35 pictures?

• Proportion

• Subtraction

• Multiplication

• Addition

Tags

CCSS.7.EE.B.3

What does the numerator in the proportion represent in this scenario?

• Number of megabytes

• Number of pictures

• Size of one picture

• Total size of all pictures

Tags

CCSS.7.RP.A.2B

What is the first step in solving the proportion?

• Subtraction

• Division

• Addition

• Cross multiplication

What operation is performed after cross multiplying to solve for 'x'?

• Subtraction

• Division

• Multiplication

• Addition

Tags

CCSS.7.EE.B.3

How many megabytes do 35 pictures take up?

• 35 MB

• 70 MB

• 528 MB

• 264 MB

Tags

CCSS.6.RP.A.3B

What is the result of 528 multiplied by 35 in the context of this problem?

• 35

• 70

• 264

• 18,480

Tags

CCSS.4.NBT.B.5

What is the inverse operation used to isolate 'x' in the equation?

• Addition

• Subtraction

• Multiplication

• Division

Tags

CCSS.HSA.REI.A.1

What does the final value of 'x' represent in the context of the problem?

• Number of pictures

• Size of one picture in MB

• Total size of 35 pictures in MB

• None of the above