Answer:
x = 7
Step-by-step explanation:
Let x = the number. Then
"Triple a number" means 3x
"is the same as" means =
"double the number increased by 5" means 2x + 7
∴ 3x = 2x + 7
Subtract 2x from each side
x = 7
The answer is x = 7.
Check:
3 × 7 = 2 × 7 + 7
21 = 14 + 7
21 = 21
OK.
Answer:
Step-by-step explanation:
Noon is 12:00
5am to 12noon is 7 hours
6,000 to 6,500
It grew by 500 in 7 hours
So one hour it is 500/7
In 12 hours that is from 12noon to 12midnight it will be 12×500/7+6500 since at 12noon it was 6500 that will be 6500+857=7357
Answer:
what do you mean???
Step-by-step explanation:
