Your cousin’s birthday is this weekend. You want to buy a CD that costs $12.99 and a birthday card that costs $2.50. You have sa
2 answers:
Given:
- Total money saved up is $25
- CD that has to be bought costs $12.99
- Birthday card has to be bought costs $2.50
To Find:
An inequality to find the most money that can be used for other spending.
Solution:
The required inequality is .
Explanation:
Let x denote the money I can spend for other purposes. Then x has to be less than or equal to the left over money of my savings after the CD and card are bought.
The CD and card together cost me $12.99 + 2.50 = $15.49
My savings are $25.
So, after buying the CD and card, I'll be left with $25 - 15.49 = $9.51
Thus all my other expenditure denoted by x has to be less than or equal to 9.51.
The required inequality is .
You might be interested in
She got a 20% discount (or 80% discount). (Work shown for 80%).
First you have to find out how much Mandy paid. So from 15000 you will subtract 3000. 15000-3000=12000.
Next you need to set up your equation.
. You then have to cross multiply. So 100 times 12000, 100*12000=1200000. And 15000 times x is 15000x. Finally you divide both sides by 15000. And 1200000 divided by 15000 is 80. X=80
First you have to find out how much Mandy paid. So from 15000 you will subtract 3000. 15000-3000=12000.
Next you need to set up your equation.