PLEASE HELP!!!! Kelly earns 20% more than Scott, and together they earn $1210.00 per week. How much does Kelly earn per week?
1 answer:
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Answer:
The first car was traveling 70 mph, while the second was driving 50 mph.
Step-by-step explanation:
Set the cars as a proportion:
X represents the speed of the second car. By cross multiplying, you get the following equation:
You solve by distributing 150 to get 210x = 150x + 3000.
Solving for x gets you 50.
That means the first car was going at 50 mph. Adding 20, you get 70 as the speed for the second car.
Answer:
135 cm³
Step-by-step explanation:
- To find volume: you multiply length*width*height
2.
3. 6*5*4 1/2
4. 6*5=30
5. 30*4 1/2=135
6. 135 cm³
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