Answer:
A simple machine is the lever, wheel, pulley, inclined plane, wedge and the screw.
And a mechanism is steering mechanism in cars or the winding mechanism of a watch.
Step-by-step explanation:
Original Income = 15,000
New income = 20,000
The percentage Increase in the income can be calculated as:

%
The change in income = 20000 - 15000 = 5000
Using the values, we get:

%
=

%
This means, Pats income increased by 33.33% in a period of ten years
Answer:
10/3 lawn
Step-by-step explanation:
2/3 of a lawn in 1/5 hour
-> 1 hour cab mow = 2/3(lawn) ÷ 1/5(hour)* 1(hour)
= 10/3 = 3,666666667 lawns
Can you get a better shot of the problem?
Answer:
$4.03
Step-by-step explanation:
because 15% of 3.50 is 0.525
take 0.525 and round it up (0.53)
3.50 + 0.53 = $4.03