Two mechanics worked on a car. The first mechanic worked for 5 hours, and the second mechanic worked for 15 hours. Together they charged a total of $1550 . What was the rate charged per hour by each mechanic if the sum of the two rates was $140 per hour? can you help me with this one 2 ?

Question

kainui · Answer

Show me your best guess and we'll go from there.

anonymous · Answer

someone help me please

nuke_ur_friend · Answer

how old r u

tkhunny · Answer

Kainui tried.

Name the two individual rates!

anonymous · Answer

what is that

anonymous · Answer

can you explain it better

tkhunny · Answer

"What was the rate charged per hour by each mechanic "

Make up a name for both of these rates.

anonymous · Answer

x and y

tkhunny · Answer

Perfect.  Now, translate this sentence in terms of x and y.

" if the sum of the two rates was $140 per hour"

nuke_ur_friend · Answer

g2g sorry i could not help you lilpierce22 :(

anonymous · Answer

Let x be the rate for the first mechanic.  Solve the following for x.
5 x + 15 (140 - x) = 1550
x = 55
rate for the second mechanic is 140 - 55 = 85

anonymous · Answer

Thank you so much @robtobey

anonymous · Answer

Your welcome.

tkhunny · Answer

Now, why don't you show us one.