Answer:
Cost of 45 screwdrivers will be = $900
Step-by-step explanation:
Last year 15 electric screwdrivers cost to the local hardware store = $300
So per screwdriver cost =
=
= $20
Now we have to calculate the cost of 45 screw drivers.
Since cost of 1 screwdriver = $20
So cost of 45 screwdrivers = 20×45 = $900
Step-by-step explanation:
this right ans according to your question
Add 7 to both sides
At the left hand side 7 will cancel 7
At the right hand side 7 will add up
Divide through by 2
simplify the fraction
The amount of money that Carly would have left if she doesn't buy any packs of baseball cards is $20.
<h3>How to calculate the amount of money?</h3>In order to calculate the amount of money that Carly would have left if she doesn't buy any packs of baseball cards, we would determine the cost of each baseball card as follows:
Translating the word problem into an algebraic expression, we have;
x - n = 16
x - 2n = 12
Solving the simultaneous equations by elimination, we have:
n = 4
Therefore, Carly's minimum balance is given by:
x - n = 16
x = 16 + n
x = 16 + 4
x = $20.
Read more on word problems here: brainly.com/question/13170908
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<u>Complete Question:</u>
The graph shows the relationship between the total amount of money that Carly will have left, y, if she buys x packs of baseball cards. How much money will she have if she doesn't buy any packs of baseball cards?
