4: 1 because you could divide both sides of the ratio by 25
X=40
x+2=42
x+x+2=82
2x=80
x=40
1. You have that:
- <span>The number of cars in each row should be six less than the number of rows in the lot.
- The mayor has requested that the new lot should hold twice as many cars as the current parking lot, which has space for 56 cars.
2. Keeping the information above on mind, you have the </span>equation the civil engineer can use to find the number of rows that <span>he should include in the new parking lot, is:
</span>
x: <span>the number of rows.
</span>
x²-6x=112
The correct answer is the option C: C. x²-6x=112
______ spent 180 dollars on CDs. Each CD costed 15 dollars. How many CDs did ______ buy?