Your answer is c, an obtuse triangle because if the two side lengths are the same length along with a longer side, it become obtuse
let me know if you have any other questions
:)
<span>Faster maid DATA:
time = x hr/job ; rate = 1/x job/jhr
Slower maid DATA:
time = 3x hr/job ; rate = 1/3x job/hr
Together DATA:
time = 3 hr/job ; rate = 1/3 job/hr
Equation:
rate + rate = together rate
1/x + 1/3x = 1/3
Multiply thru by 3x to get:
3 + 1 = x
x = 4 hrs (time for the faster maid to do the job)</span>
Unit rate of 1st Can = 1.14/8 = $0.1425
Unit rate of 2nd Can = 1.75/12 = $0.145
1st Can is cheaper than 2nd one
Then...
8x+y=12
8x+3 = 12
-3 -3
---- ----
8x = 9
---- ----
8 8
x = 9/8
Hope this helps! :) Good luck
56 is you answer you need.
