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A corner store sells 60-watt bulbs in packs of 4.

Write an equation that shows how the number of bulbs in stock, y, depends on the number of packages, x.

A corner store sells 60-watt bulbs in packs of 4. Write an equation that shows how-example-1

2 Answers

8 votes

Answer: y = -4x + 60

Explanation:

we can use a simple linear equation to write this problem:

y = mx + b

The slope is given to be the number of bulbs in each pack, which is 4.

now we have: y = 4x +b

The value of b is the y intercept, or the starting value, 60. From this value, 4x can be subtracted to show our remaining bulbs in stock:

y = 60 - 4x

Writing this in the form y = mx+b gives us the equation:

y = -4x + 60

User Hayt
by
4.9k points
10 votes

Answer:

y = 4x

Explanation:

A corner store sells 60-watt bulbs in pack of 4.

x = number of packs

y = number of bulbs

y = 4x

Check your answer using the problem:

60 = 4x

/4 /4

12 = x

This means that there are 12 bulbs in each pack.

Hope this helps!

User Khurrum Qureshi
by
4.3k points