Answer:
If you need the explanation, just ask.
Answer:
it could be a formula ex- l times w = area
Step-by-step explanation:
Answer: £83.70
Step-by-step explanation:
We can set up a ratio.
Let x be the amount he earns for 9 hours of work.

We can cross multiply:
x = 9*9.3
x = £83.70
Answer:
x<5/2
Step-by-step explanation:
hope this helps :)
Answer:
12 dollars
Step-by-step explanation:
Round the bill to the nearest ten dollars
81.66 rounds to 80 dollars
80 * 15%
80 *.15
12
The tip is 12 dollars