Question

If mei has earned 30 points, write and solve a multiplication equation to find how many books she needs to read to get to 50 points equals pizza party 1 book =5 points 1 magazine=1 point newspaper= 1point

Answer 1

MULTIPLICATION EQUATION: n = (1/5)p

SOLUTION: 4 books

 

WORKINGS

 

Multiplication equation to find how many books she needs to read to get 50 ponits

Let the number of books be ‘n’

Let the number of points be ‘p’

 

For a multiplication equation, let’s introduce the constant, k

Therefore, n = k·p

 

1 book = 5 points

When n = 1, p = 5

 

n = k·p

1 = k·5

1 = 5k

5k = 1

 

Divide both sides of the equation by 5

5k/5 = 1/5

k = 1/5

Since n = k·p

The constant, k = 1/5

n = (1/5)p

 

To solve for how many books she needs to read to get to 50 points

 

Given,

Mei has earned 30 points,

She needs to get to 50 points

 

Points deficient = 50 points – 30 points

= 20 points

 

n = (1/5)p

p = 20

Find n

 

n = (1/5)p

n = (1/5) * 20

n = 20/5

n = 4

 

 

Therefore, Given that Mae already has 30 points, she needs to read 4 books to get to 50 points