Zip codes for the Houston area are five digit numbers with 7 as the first 2 digits of each zip code. The third digit can be 0, 3
1 answer:
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Let, the number of regular driveways be x.
Given there are 3 fewer large driveways than regular driveways.
So, the number of large driveways =
Given, Carlas charges $10 for each regular driveway.
So for x regular driveway the amount will be = $ = $
And he charges extra $7.50 for each large driveway.
So for each large driveway Carlos charges = $ = $17.50.
For (x-3) large driveways Carlos will charge = $ = $
Given, the total amount he makes = $140
So we can write the equation as,
We will move 52.50 to the right side by adding it to both sides. We will get,
Now to get x, we will move 27.50 to the right side by dividing it to both sides. We will get,
So we have got the required answer.
The number of regular driveways Carlos shovel = 7.
Answer:
The percent decrease in the number of cheese sticks you can buy for $1 is 80%.
Step-by-step explanation:
Given : Cheese sticks that were previously priced at "10 for $1" are now "2 for $1".
To find : The percent decrease in the number of cheese sticks you can buy for $1 ?
Solution :
The formula used to find percent decrease is given by,
The price change from 10 to 2,
The percent decrease in the number of cheese sticks you can buy for $1 is 80%.