Answer:
Step-by-step explanation:
2x+x+3(2x)=63
3x+6x=63
9x=63
9x/9=63/9
X=7
2x=14
3(2x)=42
Answer:
11.81
Step-by-step explanation:
5 1/4 per 20 min (1/3 of an hour)
5.25 (5 1/4) * 3 = 15.75 pounds per hour
$0.75 earned per pound
So, 15.75 * $0.75 = $11.81
Their is not a lot of information but I think it is 12*24=288
Answer:
so its 50+.25(x) = y or 140. x is amount of minutes y is total
Answer:
$41
Step-by-step explanation:
- One room rents for $68,
- Two rooms for $65 each,
- In general, the group rate per room is found by taking $3 off the base of $68 for each extra room.
So,

where
is the rate per nth room rented.
This is an arithmetic sequence, so

In your case,

Hence

This means if a group rents 10 rooms, the charge per room is $41.