Answer:
The value of x = 10.
Step-by-step explanation:
From the given triangle,
We know that the sum of a triangle is 180°.
i.e.
K + L + M = 180°
(5x - 18)° + 90° + (3x + 28)° = 180°
Therefore, the value of x = 10
Answer:
<h2>The required percentage is 65.45%.</h2>Step-by-step explanation:
The total costing is
35% were given to the charity, hence 350 were given to the charity.
There are (1000 - 350) = 650 lapel pins remaining.
60% of 650 = werre sold for 3.00 each. Hence, earning from here is
.
40% of 650 = 260 were sold at 5.00 for 2. It can also be said that were sold at 5.00 each. Earning from this section is
Total earning is (1170 + 650) = 1820.
Profit percentage =
