a store sign reads "Take 75% of the original price when you take an additional 15% off the sale price, which is 60% off the orig
1 answer:
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Alright, lets get started.
Suppose first mechanic charges= x
So, second mechanic charges will be = (because total of their rates was 125)
first mechanic worked for 5 hours, and the second mechanic worked for 15 hours and together they charged a total of $1225
Means
Adding 10 x in both sides
Subtracting 1225 from both sides
Dividing 10 in both sides
x = 65
For second mecahnics rate = 125 - 65 = 60
Hence The mechanic who worked 5 hours charged $ 65 per hour, the one who worked 15 hours charged $ 60 per hour: Answer
Hope it will help :)
Answer:
~ 639.75 cm^3
Step-by-step explanation:
see pic
<h2>Edit: I did this with the assumption that 12 was the diameter, if it's the radius disregard this please</h2>