9.50 + (2.20)r
For example if he fixed 3 watches
9.50 + (2.20)3
We plug in 3 for r and he makes 6.60 extra.
Answer:
28
Step-by-step explanation:
i think hope this helps
Answer:
The cost to fill the new family size box will be 
Step-by-step explanation:
we know that
If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube
Let
z-----> the scale factor
we have

so

To find the new cost multiply the original cost by the scale factor elevated to the cube

The new volume would be

Answer:
8.6
Step-by-step explanation:
Because the behind the decimal 6 is in the tenths place and 0 won't change it so it will be 8.6
I hope this helps